Simplify completely.
A. 
B. 
C. 
D. 
Answer: B
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Solve.The foundation for a cylindrical fountain is a cylinder with a diameter of 14 m and 4 m high. How many cubic m of concrete are needed to build the foundation? Use 3.14 as the approximate value of ?.
A. 615.44 m3 B. 1230.88 m3 C. 2461.76 m3 D. 351.68 m3
Multiply. Assume that no radicands were formed by raising negative numbers to even powers.(
+ 4)(
- 5)
A. -14
B. -10 - 5 ? 
C. -44 + 14 ? 
D. -14 - 5 
+ 4 
Solve the problem.A banquet dinner is being organized by a club. The actual cost of the dinner is $24 per person. The members are to pay $6 to attend, with the club making up the difference. What percentage of the dinner's cost is the member to pay?
A. 20% B. 25% C. 15% D. 17%
Evaluate 
, 
, and - 
for the given values.a = 50 , and b = 2
A. -25; -25; 25 B. -50; 25; 50 C. 25; 25; 25 D. -25; -25; -25