Find the exact value of the expression.
A. 
B. 
C. - 
D. - 
Answer: C
Mathematics
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Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Find the value. 
A. 23.414 B. 25.117 C. 58.45 D. 26.87
Mathematics
Solve the problem.An airplane flies 470 miles with the wind and 310 against the wind in the same length of time. If the speed of the wind is 20, what is the speed of the airplane in still air?
A. 102.5 mph B. 38.75 mph C. 97.5 mph D. 87.5 mph
Mathematics
Evaluate.-5x2 for x = -12
A. -720 B. 120 C. 720 D. -120
Mathematics