Solve the problem. Round your answer, if appropriate.The volume of a sphere is increasing at a rate of 6 cm3/sec. Find the rate of change of its surface area when its volume is 
cm3. (Do not round your answer.)
A. 
cm2/sec
B. 12? cm2/sec
C. 3 cm2/sec
D. 2 cm2/sec
Answer: C
Mathematics
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Solve the inequality and graph the solution set.
? 2 + 
A. {x|x ? 9}
B. {x|x ? -9}
C. {x|x > 9}
D. {x|x ? 9}
Mathematics
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.3.9 ft = 
cm
A. 9.9 B. 153.5 C. 118.9 D. 99.1
Mathematics
Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = 2i - 5j,
w = -2i - j
A. v1 = - 
i + 
j, v2 = - 
i - 
j
B. v1 = - 
i + 
j, v2 = 
i - 
j
C. v1 = - 
i + 
j, v2 = 
i - 
j
D. v1 = - 
i + 
j, v2 = 
i - 
j
Mathematics
Find the values of the variables.
= 
A. x = 4, y = -7, k = -3 B. x = 4, y = -3, k = 7 C. x = -4, y = 7, k = 3 D. x = 7, y = -3, k = -3
Mathematics