Solve the problem.If an amount of money, called the principal, P, is deposited into an account that earns interest at a rate r, compounded annually, then in two years that investment will grow to an amount A, given by the formula 
If a principal amount of $5500 grows to $6415.20 in two years, what is the interest rate?
A. 6%
B. 10%
C. 9%
D. 8%
Answer: D
Mathematics
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Solve the equation.(2y + 29)(7y + 15) = 0
A. 
, 
B. 27, 8
C. - 
, - 
D. - 
,- 
Mathematics
Find the nth term {an} of the geometric sequence. When given, r is the common ratio.6, 3, 
, 
, ...
A. an = 
(6)n-1
B. an = 6 
n-1
C. an = 6 ? 2n-1
D. an = 6 
n-1
Mathematics
Find the best buy (based on cost per unit).Brand X: 8 oz. for $2.08Brand Y: 20 oz. for $4.00Brand Z: 24 oz. for $5.52
A. Brand Y B. Not enough information C. Brand Z D. Brand X
Mathematics
Does the graph represent a function that has an inverse function?
A. Yes B. No
Mathematics