Use the compound interest formulas A = P
nt and A = Pert to solve.Suppose that you have $3000 to invest. Which investment yields the greater return over 5 years: 7.2% compounded monthly or 7.3% compounded quarterly?
A. $3000 invested at 7.2% compounded monthly over 5 years yields the greater return.
B. Both investment plans yield the same return.
C. $3000 invested at 7.3% compounded quarterly over 5 years yields the greater return.
Answer: C
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Find projv u.v = 2i - 2j - 4k, u = 5i - 12k
A. 
i - 
k
B. 
i - 
j - 
k
C. 
i - 
j - 
k
D. 
i - 
k
Solve the problem.The monthly total cost of producing clock radios is given by C(x) = 34,000 + 29x, where x is the number of radios produced per month. Find the monthly average cost function.
A. 
(x) = x(34,000 + 29x)
B. 
(x) = 
C. 
(x) = 
D. 
(x) = 
Use a proportion to solve the problem.The ratio of the lengths of strings that play the notes D and B is 27 to 16. If a string 64 centimeters long plays a B, what is the length of the string that plays a D?
A. 124 centimeters B. 80 centimeters C. 108 centimeters D. 91 centimeters
Provide an appropriate response.Your friend Sue states that your mortgage is "an annuity where you are the bank."What does she mean?
What will be an ideal response?