Solve the problem.Find the volume V of a sphere of radius 3.5 in. Use 3.14 for ?. If necessary, round the result to the nearest tenth.
A. V = 179.5 in3
B. V = 1436 in3
C. V = 51.3 in3
D. V = 101 in3
Answer: A
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Which of the following is not equivalent to the fraction 
??
?
A.
?.8
B.
?
C.
?0.8
D.
??.80
E.
?1.2 - 0.4
F.
?.7
Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 3x3
A. 3x2 + 3xh + 3h2; 9x2 + 9ax + 9a2 B. 9x2 + 9xh + 3h2; 3x2 + 3ax + 3a2 C. 9x2 - 9x - 3h; 3x2 - 3ax - 3a2 D. 3x2 + 3xh + 3h2; 3x2 + 9ax + 9a2
Determine whether or not one or more pairs of twin primes exist between the pair of numbers given. If so, identify the twin primes.15 and 28
A. 21, 23 B. No C. 17, 19 and 21, 23 D. 17, 19
Find the derivative.y = 
+ 10 sec x
A. y ' = - 
+ 10 sec x tan x
B. y ' = - 
- 10 csc x
C. y ' = 
- 10 sec x tan x
D. y ' = - 
+ 10 tan2x