Graph the polar equation.r2 = 9 cos (2?)
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem. Round your answer, if appropriate.The volume of a sphere is increasing at a rate of 8 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. 
cm2/sec
C. 16? cm2/sec
D. 16 cm2/sec
Mathematics
Find the sum of the series as a function of x.
A. - 
B. 
C. - 
D. 
Mathematics
Solve the equation.3t-2 + 7t-1 + 4 = 0
A. 
, 1
B. 
, 1
C. - 
, -1
D. - 
, - 1
Mathematics
Provide an appropriate response.What percent of 0.75 is .6?
A. 80% B. 8% C. 0.8% D. 0.08%
Mathematics