Solve the problem.Michael's bank contains only nickels, dimes, and quarters. There are 51 coins in all, valued at $4.15. The number of nickels is 5 short of being three times the sum of the number of dimes and quarters. How many dimes are in the bank?
A. 37 dimes
B. 13 dimes
C. 8 dimes
D. 6 dimes
Answer: C
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Solve the problem.Find the length of a rectangular lot with a perimeter of 130 m if the length is 7 m more than the width. 
A. 65 m B. 29 m C. 72 m D. 36 m
Provide an appropriate response.Given the set 
, give the elements that are natural numbers.
A. 0, 9 B. -8, 9 C. 9 D. -8, 0, 9
Simplify the expression. Write the answer with only positive exponents. Assume that all variables represent positive real numbers.
A. 
B. -7b13/4
C. -7b15/4
D. 
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 2x3 - 9x2 + 7x + 5
A. 0 positive; 1 or 2 negative B. 0 or 1 positive; 0 or 1 negative C. 0 or 1 positive; 2 negative D. 0 or 2 positive; 1 negative