Simplify. Assume that all variables represent positive real numbers.
A. 
B. x 
C. 
D. x 
Answer: C
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Solve the problem.The water in a tank weighs 160.64 lb. One cubic foot of water weighs 62.5 lb. How many cubic feet of water are in the tank?
A. 223.14 cubic feet B. 10,040.000 cubic feet C. 2.57024 cubic feet D. 0.38907 cubic feet
Choose the most reasonable unit of measure.Paperback book height: 24 
(mm, cm, m, km)
A. km B. mm C. cm D. m
By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box may be made. If the cardboard is 8 in. long and 3 in. wide, find the dimensions of the box that will yield the maximum volume. ?
A. 
B. 
C. ?
D. ?
E. ?
If the legs of a right triangle are m and n, then the length of the hypotenuse is_______________ .
Fill in the blank(s) with the appropriate word(s).