Solve the problem.

A driveway is shaped like a parallelogram. How much asphalt (in square yards) is needed to pave the driveway?

2 yd

Group of answer choices

7.75 yd2

31 yd2

8 yd2

15.5 yd2

Question 2

The two triangles below are similar. Find the missing lengths.

Group of answer choices

x = 9; y = 15

x = 30; y = 42

x = 7.5; y = 10.5

x = 9; y = 12

Question 3

Provide an appropriate response.

What is the approximate grade of a path that rises 590 feet every mile?

Group of answer choices

11.17%

8.94%

0.67%

0.34%

Question 4

Measurements are made at two different times. Find the absolute change and then find the percentage change. Round answers to the nearest tenth if necessary.

The population of Placerville grew from 4220 a decade ago to 6540 today.

Group of answer choices

Absolute change: 2320

Percentage change: 35.5%

Absolute change: 35.5%

Percentage change: 2320

Absolute change: 2320

Percentage change: 55%

Absolute change: -2320

Percentage change: 55%

Question 5

The expenses and income of an individual are given in table form. Find the net monthly cash flow (it could be positive or negative). Assume salaries and wages are after taxes, thatand thatRound your answer to the nearest dollar.

Group of answer choices

$258

$503

$595

$278

Flag question: Question 6

Use the compound interest formula to determine the accumulated balance after the stated period. Assume that interest is compounded annually.

$2000 is invested at an APR of 3.3% for 4 years.

Group of answer choices

$67.50

$2277.36

$2204.61

$264.00

Question 7

Calculate the balance under the given assumptions.

Find the savings plan balance after 9 months with an APR of 4% and monthly payments of $211.

Group of answer choices

$1924.52

$2594.82

$1635.84

$2205.60

Question 8

Solve the problem.

For the study described below, identify the sample.

A researcher is interested in the level of stress among emergency-room nurses in the U.S. 275 emergency-room nurses were interviewed to determine their level of stress. Each nurse was assigned a stress rating based on his or her answers to a number of questions. The average stress rating for the 275 nurses was determined.

Group of answer choices

The 275 emergency-room nurses interviewed

All emergency-room nurses in the U.S.

The questionnaire given to the 275 emergency-room nurses interviewed

The average stress rating for the 275 emergency-room nurses interviewed

Question 10

State whether the scatter diagram shows strong positive correlation, weak positive correlation, strong negative correlation, weak negative correlation, or no correlation.

Group of answer choices

No correlation

Weak negative correlation

Strong negative correlation

Strong positive correlation

Weak positive correlation

Question 11

Obtain the five-number summary for the given data.

The National Education Association collects data on the number of years of teaching experience of high-school teachers. A sample taken this year of 19teachers yielded the following data on number of years of teaching experience.

Group of answer choices

1, 5, 21, 26, 33

1, 4.50, 18.5, 25.25, 33

1, 4.50, 21, 25.25, 33

1, 5, 18.5, 26, 33

Question 12

Solve the problem. Round your answer to two decimal places.

Scores on a test are normally distributed with a mean of 88 and a standard deviation of 15. What is the standard score for an exam score of 99 ?

Group of answer choices

0.95

1.36

-0.95

0.73

Question 13

Find the indicated probability. Round your answer to 6 decimal places when necessary.

If a person is randomly selected, find the probability that his or her birthday is in May. Ignore leap years.

Group of answer choices

Question 14

Find the indicated probability.

The following table show the results of a clinical trial for an allergy drug.

What is the probability that a randomly selected person was given the allergy drug and improved? Round your answer to the nearest thousandth when necessary.

Group of answer choices

0.942

0.652

0.46

0.29

Question 15

Solve the problem. Round your answer to 2 decimal places when necessary.

A country with a population of 100 million has 15,200 traffic fatalities. Find the fatality rate in deaths per 100,000 population.

Group of answer choices

15.2 deaths per 100,000 people

152 deaths per 100,000 people

1520 deaths per 100,000 people

1.52 deaths per 100,000 people

Question 16

Determine whether the growth (or decay) is linear or exponential, and answer the associated question.

The population of Scoville is increasing at a rate of 399 people per year. If the population is 311 today, what will it be in three years?

Group of answer choices

Exponential; 63,521,510 people

Exponential; 30,080,630 people

Linear; 1332 people

Linear; 1508 people

Question 17

Determine whether the growth (or decay) is linear or exponential, and answer the associated question.

The value of your car is decreasing by 11% per year. If the car is worth $11,600 today, what will it be worth in two years?

Group of answer choices

Linear; $12,876.00

Exponential; $10,359.09

Linear; $14,152.00

Exponential; $9188.36

Question 18

Find the slope of the graph and they y -intercept. Then sketch the graph for values of x between -10 and 10.

y = -5x - 5

Group of answer choices

slope = -; y intercept = (0, -5)

slope = -5; y intercept = (0, -5)

slope = -; y intercept = (-5, 0)

slope = -5; y intercept = (-5, 0)

Question 19

Provide an appropriate response.

A certain drug is eliminated from the bloodstream exponentially with a half-life of 60 hours. Suppose that a patient receives an initial dose of 30 milligrams of the drug at midnight. How much of the drug is in the patient's blood at noon the next day?

Group of answer choices

13.06 mg

0.87 mg

26.12 mg

0.94 mg