Solve the problem.At what interest rate must $5300 be compounded annually to equal $8510.64 after 7 yr? (Round to the nearest percent.)
A. 6%
B. 7%
C. 8%
D. 9%
Answer: B
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Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 10 miles per hour and the other at 5 miles per hour. In how many hours will they be 45 miles apart?
A. 1 hour B. 3 hours C. 4 hours D. 5 hours
Solve the problem.The height of a triangle is 4 times the length of the base. The area of the triangle is 98 square meters. Find the height and base of the triangle. 
A. base = 28 m, height = 56 m
B. base = 7 m, height = 28 m
C. base = 
m, height = 56 m
D. base = 
m, height = 14
m
Translate the problem situation to a system of equations. Do not solve.Audreys Candy Store sold 64 individual pounds of jelly beans, one kind at $4.74 per pound and the other at $1.23 per pound. In all, $162.96 was taken in for the two types of jelly beans. How many pounds were sold?
A. x + y = 162.96; 4.74x + 1.23y = $64 B. x + y = 64; 4.74x + 1.23y = $162.96 C. x + y = 5.97; 4.74x + 1.23y = $162.96 D. x + y = 64; 5.97x + y = $162.96
Write the expression as the sum or difference of logarithms.logx x4 y5
A. 5logx x - 4logx y B. 4logx x - 5logx y C. (4logx x)(5logx y) D. 4logx x + 5logx y