Evaluate the expression for the given values of the variables, if possible.9 ? (-m) ? n
m = -12, n = -10
A. -208
B. -1080
C. -1170
D. -108
Answer: B
Mathematics
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Write with radicals. Assume that all variables represent positive real numbers.(x4y4)1/7
A. 
B. x28y28
C. 
7
D. 
4
Mathematics
Divide.0.388 ÷ 97
A. 0.004 B. 0.0039 C. 0.005 D. 0.003
Mathematics
Solve.The function f(x) = 2.54x converts a measurement of x inches to centimeters. Find a function g that will convert an area in square inches to square centimeters.
A. g(x) = 5.08x2 B. g(x) = 6.4516x2 C. g(x) = 2.54x2 D. g(x) = 5.08x
Mathematics
A woman rides a bicycle for 2 hours and travels 32 kilometers (about 20 miles). Find the angular velocity of the wheel if the radius is 30 centimeters. ?
A. 675 rad/min B. 861 rad/min C. 738 rad/min D. 889 rad/min E. 988 rad/min
Mathematics