Simplify the expression.
A. 70y
B. 
C. 70
D. 
Answer: D
Mathematics
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Find the area of the specified region.Inside the circle r = -8 cos ? and outside the circle r = 4
A. 
?
B. 8?
C. 
(2? + 3
)
D. 
(4? - 3
)
Mathematics
Write an equation in slope-intercept form of a line satisfying the set of conditions.m = - 
; y-intercept (0, 9)
A. y = 
x - 9
B. y = 
x + 9
C. y = - 
x + 9
D. y = - 
x - 9
Mathematics
Solve.The reservoir at the top of a water tower has the shape of a sphere with a radius of 15.1 meters. How many cubic meters of water can the reservoir hold? Use 3.14 for ? to approximate the answer to two decimal places if necessary.
A. 715.95 ft3 B. 10,810.87 ft3 C. 14,414.49 ft3 D. 954.6 ft3
Mathematics
Find the midpoint of the line segment joining the points P1 and P2.P1 = (7, 1); P2 = (-16, -16)
A. 
B. 
C. 
D. 
Mathematics