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. 2?
D. 
?
Answer: B
Mathematics
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Evaluate the validity of the chain of conditionals.Premise: If you loved me, then you would buy me a new car.Premise: If you wanted me to be happy, then you would buy me a new car.Conclusion: If you loved me, then you would want me to be happy.
A. Valid B. Invalid
Mathematics
Find a polar equation for the circle shown.r = 10 sin ?
A. 
B. 
C. 
D. 
Mathematics
Refer to the table of the six basic solutions to the e-system.The following chart depicts basic solutions to a system of linear inequalities. Which of the solutions is NOT feasible?
A. (B) and (E) B. (A), (B), (C) C. (B) D. (A), (D), (E), (F)
Mathematics
Evaluate the sum. Round to the nearest hundredth, if necessary. 
A. -8 B. -40 C. 40 D. 256
Mathematics