Solve.Nancy has $7.30 in change. She has three times as many nickels as quarters. She has two more quarters than dimes. How many coins of each type does he have?
A. 17 quarters, 15 dimes, 51 nickels
B. 45 quarters, 43 dimes, 15 nickels
C. 15 quarters, 13 dimes, 45 nickels
D. 15 quarters, 17 dimes, 45 nickels
Answer: C
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Solve the problem.A rotation has sent A to A' and E to E'. Find the image of the given figure.
A. 
B. 
C. 
D. 
Solve.A polygon with n sides has D diagonals, where D is given by the function D(n) = 
. Find the number of sides n if 54 ? D ? 170.
A. {n|13 ? n ? 20} B. {n|10 ? n ? 21} C. {n|12 ? n ? 20} D. {n|11 ? n ? 21}
Solve the application and answer with a complete sentence.If 2 teachers are needed for 90 students, how many teachers are needed for 900 students?
A. 20 teachers are needed. B. 40 teachers are needed. C. 30 teachers are needed. D. 180 teachers are needed.
Use the composition cancellation equations to decide whether or not the functions are inverses of each other.f(x) = 4x + 16 and g(x) = 
x - 4
A. Yes B. No