Multiply.
A. x2 + 
x + 
B. x2 + 
x + 
C. x2 + 
D. x2 + 
Answer: A
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Perform the indicated operation(s). Where possible, reduce the answer to lowest terms.
- 
A. 
B. 
C. 
D. - 
Solve the problem.The side of an equilateral triangle is 
shorter than the side of a square. The perimeter of the square is 
more than the perimeter of the triangle. Find the length of a side of the square.
A. 20 inches B. 18 inches C. 12 inches D. 19 inches
Postal regulations specify that a parcel sent by parcel post may have a combined length and girth of no more than 102 in. Find the dimensions of the cylindrical package of greatest volume that may be sent through the mail. What is the volume of such a package?
?
Hint: The length plus the girth is 
, and the volume is 
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Multiply and simplify.
A. 
B. 
C. 
D. 