Solve the problem.The volume of a sphere is increasing at a rate of 4 cm3/s. Find the rate of change of its surface area when its volume is 
cm3
A. 
cm2/s
B. 8 cm2/s
C. 
cm2/s
D. 
cm2/s
Answer: B
Mathematics
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Solve the problem.A loaf of bread is removed from an oven at 
and cooled in a room whose temperature is 
. If the bread cools to 
in 20 minutes, how much longer will it take the bread to cool to 
A. 11 min B. 30 min C. 10 min D. 21 min
Mathematics
Solve the equation by the zero-factor property.2k2 = -18k - 36
A. 
B. 
C. {-6, -12}
D. 
Mathematics
Solve the problem.An auditorium has 15 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so on. How many seats are in the auditorium?
A. 255 seats B. 390 seats C. 360 seats D. 300 seats
Mathematics
Evaluate the expression without using a calculator, and write your answer in radians.
?
What will be an ideal response?
Mathematics