8 You have saved $22,000 for a down payment on a house. Your bank requires a minimum down payment of 13%. What is the maximum price you can offer for a home in order to have enough money for the down payment? (Round your answer to two decimal places.)

9 A professor grades students on four tests, a term paper, and a final examination. Each test counts as 15% of the course grade. The term paper counts as 20% of the course grade. The final examination counts as 20% of the course grade. Alan has test scores of 88, 78, 76, and 98.Alan received an 82 on his term paper. His final examination score was 88. Use the weighted mean formula to find Alan's average for the course. (Round your answer to one decimal place.)

12 A stock that pays an annual dividend of $0.69 per share has a current price of $31.50. Find the dividend yield. Round to the nearest hundredth of a percent.

13 After six biology tests, Ruben has a mean score of 72. What score does Ruben need on the next test to raise his average (mean) to 74?

14 Calculate the simple interest earned. Round to the nearest cent. P = $2100, r = 5.3%, t = 6 months

15 A couple plans to save for their child's college education. What principal must be deposited by the parents when their child is born in order to have $44,000 when the child reaches the age of 18? Assume the money earns 8% interest, compounded quarterly. (Round your answer to two decimal places.)

16 A bond has a $13,000 face value, an 8-year maturity, and a 3.05% coupon. Find the total of the interest payments paid to the bondholder.