Simplify.
A. 
B. 
C. 7
D. 
Answer: D
Mathematics
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Find the polar coordinates of the point. Express the angle in degrees and then in radians, using the smallest possible positive angle.(5, -5)
A. (5
, 315°), 
B. (5
, 135°), 
C. (5
, 45°), 
D. (5
, 225°), 
Mathematics
Solve the problem.The volume of a sphere is increasing at a rate of 7 cm3/s. Find the rate of change of its surface area when its volume is 
cm3
A. 
cm2/s
B. 
cm2/s
C. 7 cm2/s
D. 
cm2/s
Mathematics
Express the number in scientific notation.0.00000035406
A. 3.5406 × 10-7 B. 3.5406 × 107 C. 3.5406 × 106 D. 3.5406 × 10-6
Mathematics
Find the standard form of the equation of the following conic section.center (-8.5, 0); r = 2
A. (x + 8.5)2 + y2 = 4 B. (x + 8.5)2 + y2 = 16 C. (x + 8.5)2 + y2 = 2 D. (x - 8.5)2 + y2 = 4
Mathematics