Simplify. Assume that variables represent positive values.
A. 
B. 
C. 
D. 
Answer: D
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Rationalize the denominator. Assume all variables have positive values.
A. 
B. 34
C. 
D. 9
Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 + 16x + 4y = -59
A. (h, k) = (-8, -2); r = 3 B. (h, k) = (8, 2); r = 9 C. (h, k) = (2, 8); r = 9 D. (h, k) = (-2, -8); r = 3
Translate the sentence into if-then form. ? All useless life is an early death. ?
A. If it is a useless life, then it is not an early death. B. If it is a useless life, then it is an early death. C. If it is an early death, then it is not a useless life. D. If it is an early death, then it may be a useless life. E. If it is an early death, then it is a useless life.
Suppose the outer edge of a playground slide is in the shape of a helix of radius 3.5 meters. The slide has a height of 2 meters and makes one complete revolution from top to bottom. Find a vector-valued function for the helix. ?
A. 
, 
B. ?
,
C. ?
,
D. ?
,
E. ?
,