Solve the problem.Use the formula A = P(1 + r)2 to find what the rate of interest is if a principal amount of $4500 grows to $5644.80 in 2 years, if interest is compounded annually.
A. 12%
B. 13%
C. 10%
D. 14%
Answer: A
Mathematics
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Find the mean.43, 50, 32, 46, 29, 50, 30
A. 35 B. 50 C. 40 D. 43
Mathematics
Write the conjugate 
of the complex number z. Then find z
.z = 1 + 9i
A. 
= 1 - 9i, z
= 82
B. 
= 1 - 9i, z
= 1 - 81i2
C. 
= 1 - 9i, z
= 1 - 81i
D. 
= 1 - 9i, z
= -80
Mathematics
Multiply. Simplify and leave the numerator and denominator in your answer in factored form.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation and check your solution.m - 
= 9
A. -10, 1
B. - 
, 1
C. -1, 10
D. -1, 
Mathematics