Factor completely. 
A. 
B. 
C. 
D. prime
E. none of these
Answer: B
Mathematics
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How many square feet of sheet metal are needed for the sides of the cylindrical tank shown in the illustration? (Allow 3 in. for seam overlap.)
?
?
A. 49 ft 2 B. 94 ft 2 C. 120 ft 2 D. 97 ft 2 E. 190 ft 2
Mathematics
Add or subtract as indicated. Simplify, if necessary.
- 
A. - 
B. -15
C. - 
D. - 
Mathematics
Multiply and simplify.
? 108x
A. 
B. 
C. 6,804x
D. 
Mathematics
Multiply, then simplify the product. Assume that all variables represent positive real numbers.(
+ 
)(
+ 
)
A. 
+ 
+ 
+ 
B. 
+ 
+ 7 + 
C. 
+ 
+ 49 + 
D. 
+ 
+ 8 + 
Mathematics