Match the graph to one of the polar equations. 
A. r = 6 cos ?
B. r = 3
C. r sin ? = 3
D. r = 6 sin ?
Answer: B
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Find a rectangular equation for the curve and describe the curve.x = 
, y = t - 3; -3 ? t ? 3
A. y = x3 - 3; portion of a cubic graph B. y = (x + 3)3; portion of a cubic graph C. y = (x - 3)3; portion of a cubic graph D. y = x3 + 3; portion of a cubic graph
Add the integers.14 + 19 + (-24)
A. 57 B. 9 C. 19 D. -29
Solve the problem.A comet follows the hyperbolic path described by 
where x and y are in millions of miles. If the sun is the focus of the path, how close to the sun is the vertex of the path?
A. 12 million mi B. 3.2 million mi C. 3.7 million mi D. 0.3 million mi
Find the probability.A committee of 9 members is voting on a proposal. Each member casts a yea or nay vote. On a random voting basis, what is the probability that the final vote count is unanimous?
A. 
B. 
C. 
D. 