Write the algebraic expression described. Simplify if possible.A 52-centimeter piece of rope is cut into two pieces. If one piece is z centimeters long, express the other length as an algebraic expression in z.
A. (z + 52) cm
B. (z - 52) cm
C. (52 - 2z) cm
D. (52 - z) cm
Answer: D
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A desalination process is removing salt from a container of sea water. The amount of salt, in kilograms, remaining t hours after the cleaning process began is given by
?
.
?
How much of the salt is removed from time 
to time 
?
?
A. 5.73 kilograms
B. 4.17 kilograms
C. 9.70 kilograms
D. 6.02 kilograms
Subtract in the indicated base.FE116 - 2516
A. FBC16 B. FDF16 C. EFD16 D. FDC16
Add or subtract as indicated. Write the answer in simplest form.
+ 
A. 
B. 1
C. 
D. 
Solve the problem.You have 156 feet of fencing to enclose a rectangular region. Find the dimensions of the rectangle that maximize the enclosed area.
A. 78 ft by 19.5 ft B. 39 ft by 39 ft C. 41 ft by 37 ft D. 78 ft by 78 ft