Please help me answer math problems.

1. What is the average for the following values: 28, 30, 31, 33, 33, 35, 49?

2. Over a 28 year period, a star-gazer observed a total of 7 falling stars.What is the average number of falling stars that she observed per year?

3.Over a 4 week period, a governor's weekly approval rating was 68%, 62%, 71% and 56%. What was the average weekly approval rating during this time?

4.A CCV student has been doing well on her math quizzes but missed two classes and earned a grade of zero for her missed quizzes. Her quiz grades so far are 45, 78, 0, 87, 72, 0. What is her average quiz grade for the 6 quizzes? (Round your answer to the nearest tenths.)

5.A CCV student has been doing well on her math quizzes but missed two classes and earned a grade of zero for her missed quizzes. Her quiz grades so far are 45, 78, 0, 87, 72, 0. What is her average quiz grade for the 6 quizzes? (Round your answer to the nearest tenths.)

6.Connor would like to buy plastic sheeting for a building project. He estimates that he will need 600 square yards. Company X sells 300 square yards of plastic sheeting for $280.00. Company Y sells 200 square yards of sheeting for $190.00. Which is the better deal for plastic sheeting?

7. Kayla is purchasing rabbit pellets. The pet store has 50 pound bags of rabbit pellets for $55 and 10 pound bags of rabbit pellets for $11. Kayla estimates that she will need 250 pounds of rabbit pellets. Would it be cheaper for Kayla to buy rabbit pellets in 50 pound bags or 10 pound bags?

8. Kayla is purchasing rabbit pellets. The pet store has 50 pound bags of rabbit pellets for $55 and 10 pound bags of rabbit pellets for $11. Kayla estimates that she will need 250 pounds of rabbit pellets. Would it be cheaper for Kayla to buy rabbit pellets in 50 pound bags or 10 pound bags?

9. The Evergreen Nursery is purchasing uniforms for staff. They would like to purchase 125 shirts with the company logo. Company X charges $12.50 for a shirt with a company logo and they have a 10% discount for orders over 50 shirts. Company Y charges separately for logos; they charge $12.00 per shirt and $0.75 per logo. Which vendor is cheaper?

10.The chart below shows the number of endangered or threatened species on the US Fish and Wildlife Service Conservation List in 2018. How many more species of fish are on the Conservation List than reptiles?

Species on the US Conservation List 180 165 160 140 120 101 100 93 91 85 Number of Species 80 60 46 40 20 0 Mammals Birds Reptiles Fish Clams InsectsSocial Media Daily Use 25% 20% 15% 10% 5% I 0% Facebook Snapchat Twitter Instagram YouTube OtherSales by Month (Numbers in thousands) $500 $475 $480 $460 5460 $440 5440 $420 $420 $400 $400 $380 $360 January February March April May June