Find the parametrization for the curve.The portion of the circle x2 + y2 = -2 that lies in the second quadrant
A. x = -2 sin t, y = -2 cos t, for 
< t < ?
B. x = -2 sin t, y = -2 cos t, for ? < t < 
C. x = -2 cos t, y = -2 sin t, for 
< t < ?
D. x = -2 cos t, y = -2 sin t, for 
< t < 2?
Answer: C
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Solve the equation for the indicated variable.S = 2?rh + 2?r2
for h
A. h = S - r
B. h = 
C. h = 
- 1
D. h = 2?(S - r)
Solve the problem.Find the image of the given figure under a reflection across the line m.
A. 
B. 
C. 
D. 
Simplify.
+ 
A. 
B. 
C. 
D. 
Solve.To estimate the number of people in Springfield, population 10,000, who have a swimming pool in their backyard, 250 people were interviewed. Of those polled, 122 had a swimming pool. How many people in the city might one expect to have a swimming pool? (Round to the nearest whole number, if necessary.)
A. 20,492 people B. 4880 people C. 3 people D. 488 people