The rectangular coordinates of a point are given. Express the point in polar coordinates with 
and 
(-2, 0)
A. (2, 90°)
B. (-2, 180°)
C. (2, 180°)
D. (2, 270°)
Answer: C
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Simplify.(x5)-3
A. x15
B. x8
C. 
D. 
Solve the problem.Students at East Central High School earned $595 selling car washes. They want to make $3630 for a club trip. What percent of their goal has been reached? Round to the nearest tenth of a percent, if necessary.
A. 16.4% B. 6.1% C. 1.6% D. 61%
Solve the problem.Parts for an automobile repair cost $324. The mechanic charges $27 per hour. If you receive an estimate for at least $378 and at most $459 for fixing the car, what is the time interval that the mechanic will be working on the job?
A. 1 ? t ? 5 B. 1 ? t ? 2 C. 14 ? t ? 17 D. 2 ? t ? 5
Divide. Assume all variables are nonzero.(16x3 + 24x2 + 12x) ÷ (4x)
A. 27 B. 4x2 + 6x + 3 C. 4x2 + 9x D. 4x4 + 6x3 + 3x2