Convert the rectangular coordinates of the point to polar coordinates (r, ?) with r > 0 and 0 ? ? < 2?.(-3, 0)
A. 
B. 
C. (3, ?)
D. (3, 0)
Answer: C
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Solve the problem.Suppose that the velocity of a falling body is v = 
(k a constant) at the instant the body has fallen s meters from its starting point. Find the body's acceleration as a function of s.
A. a = - 
B. a = 
C. a = - 
D. a = - 
Find an equation of the line containing the given point and having the given slope. Write the equation in slope-intercept form.(12, -1), m = - 
A. y = 
x - 3
B. y = - 
x + 3
C. y = - 
x + 5
D. y = - 
x + 
In a right triangle, find the length of the side not given. Where appropriate, give an approximation to three decimal places.a = 4, b = 10
A. c = 11.27 B. c = 10.77 C. c = 7 D. c = 9.165
Find the nth term {an} of the geometric sequence. When given, r is the common ratio.5, -10, 20, -40, 80, ...
A. an = 5 ? (-2)n B. an = 5 ? (-2)n C. an = 5 ? (-2)n-1 D. an = a1 - 2n