A point P(r, ?) in polar coordinates is given. Determine the rectangular coordinates P(x, y).(-3, 90°)
A. (0, -3)
B. (0, 3)
C. (-3, 0)
D. (3, 0)
Answer: A
Mathematics
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Evaluate the integral.
A. 105 B. 945 C. 315 D. 630
Mathematics
Fill in the blank with one of the words or phrases listed below. 
In the equation y = kx, y varies 
as x.
A. parallel B. inversely C. directly D. jointly
Mathematics
Find the equation of the line.
A. x = -1 B. y = x - 2 C. y = -1 D. y = x - 1
Mathematics
Add or subtract.
- 
A. 
B. 
C. 
D. 
Mathematics