Divide. Write the answer in lowest terms and as a whole or mixed number where possible.28 ÷ 
A. 21
B. 37
C. 
D. 7
Answer: A
Mathematics
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Find the solution set in the real numbers.(2m - 3)2 = -81
A. 6, -12 B. 12, -6 C. 3, -6 D. No real number solution
Mathematics
Solve the problem.Cory and Melissa are racing electronic cars around a circular track. They begin at the same time going in the same direction. Cory's car completes a revolution in 40 seconds, while Melissa's car completes a revolution in 35 seconds. How long will it take them before both cars reach the starting point again simultaneously?
A. 560 sec B. 280 sec C. 112 sec D. 56 sec
Mathematics
Factor completely.64x2 - 32x + 4
A. 4(4x - 1)2 B. 4(4x + 1)2 C. -8(4x - 1)2 D. 4(4x + 1)(4x - 1)
Mathematics
Add or subtract as indicated.
- 
A. 
B. 
C. 
D. 
Mathematics