Solve the problem.A college student invests $9000 in an account paying 
per year compounded annually. In how many years will the amount at least double? Round to the nearest tenth when necessary.
A. 28 yr
B. 17.7 yr
C. 31.9 yr
D. 23.4 yr
Answer: B
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Provide an appropriate response.There is 5% waste of supplies in an office. If the office manager's supply budget is $200 each month, how much does the waste cost?
A. $10.00 B. $210.00 C. $205.00 D. $100.00
Solve the problem using matrices.Ron attends a cocktail party (with his graphing calculator in his pocket). He wants to limit his food intake to 
protein, 147 g fat, and 195 g carbohydrate. According to the health-conscious hostess, the marinated mushroom caps have 3 g protein, 5 g fat, and 9 g carbohydrate; the spicy meatballs have 14 g protein, 7 g fat, and 15 g carbohydrate; and the deviled eggs have 13 g protein, 15 g fat, and 6 g carbohydrate. How many of each snack can he eat to obtain his goal?
A. 9 mushrooms; 6 meatballs; 4 eggs B. 10 mushrooms; 7 meatballs; 5 eggs C. 6 mushrooms; 4 meatballs; 9 eggs D. 4 mushrooms; 9 meatballs; 6 eggs
Perform the indicated operation. If the fraction is undefined, say so.
A. 0
B. 122
C. 
D. undefined
Use the distributive property to remove parentheses and write the product as a sum. Simplify if possible.(x + y - 2)(-4)
A. -4x - y + 2 B. -4x + y - 2 C. -4x - 4y + 8 D. -4z + 4y - 8