Solve the problem.Michael's bank contains only nickels, dimes, and quarters. There are 58 coins in all, valued at $4.70. The number of nickels is 2 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?
A. 13 dimes
B. 43 dimes
C. 7 dimes
D. 8 dimes
Answer: D
Mathematics
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Find the area of the region specified in polar coordinates.the region inside 
and outside 
A. 9
B. 9
C. 9
D. 9
Mathematics
Solve the problem.Find three consecutive even integers such that the product of the first and third is 32.
A. -4, -6, and -8 B. 4 and -8 C. 4, 6, and 8 or -4, -6, and -8 D. 4, 5, and 6 or -4, -5, and -6
Mathematics
Solve the absolute value equation.|2x + 6| = 10
A. x = 2 B. x = -2, 8 C. x = -8, 2 D. x = -8
Mathematics
Find the exact value of the expression if ? = 60°. Do not use a calculator.g(?) = cos ?Find [g(?)]2.
A. 
B. 
C. 
D. 
Mathematics