Use the formula s = r?t to find the value of the missing variable. Give an exact answer.s = 
m, r = 3 m, t = 4 sec
A. 
radians per sec
B. 36? radians per sec
C. 
radian per sec
D. 
radian per sec
Answer: C
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Find the second derivative of the function.y = 
A. 
= 
+ 
- 
B. 
= - 
+ 
- 
C. 
= 
- 
+ 
D. 
= 
+ 
- 
Find the perimeter of the polygon described. Answer the question with a sentence.Karen's patio is in the shape of the trapezoid shown. What is the perimeter of the patio? 
A. The perimeter of the patio is 64 m. B. The perimeter of the patio is 190 m C. The perimeter of the patio is 25 m D. The perimeter of the patio is 35 m
Find the area of the shaded region.
A. 
B. 
C. 
D. 32
Find the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (0, 0)
foci at (0, 8) and (4, 0)
vertices at (0, 64), (16, 0)
B. center at (0, 0)
foci at (- 4
, 0) and (4
, 0)
vertices at (-8, 0), (8, 0)
C. center at (0, 0)
foci at (0, - 4
) and (0, 4
)
vertices at (0, -8), (0, 8)
D. center at (0, 0)
foci at (0, -8) and (0, 8)
vertices at (0, -64), (0, 64)