Combine. Simplify the answer.
- 
A. 
B. 
C. 10
D. 
Answer: D
Mathematics
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Find the volume of the described solid.The base of a solid is the region between the curve y = 3cos x and the x-axis from x = 0 to 
. The cross sections perpendicular to the x-axis are squares with bases running from the x-axis to the curve.
A. 
?
B. 
?
C. 
?
D. 2?
Mathematics
Find area of figure. Round to the nearest hundredth if necessary.
A. 434 ft2 B. 392 ft2 C. 458 ft2 D. 546 ft2
Mathematics
Solve the equation.33x2 + 15x = 0
A. 
B. 
C. 
D. {0}
Mathematics
Simplify the radical expression. Assume all variables represent nonnegative real numbers.
A. 10k7q8
B. 10k2q4
C. 10k3q4
D. 10k3q4
Mathematics