Find the volume of the described solid.The base of a solid is the region between the curve y = 5cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are squares with diagonals running from the x-axis to the curve.
A. 6?
B. 
?
C. 
?
D. 
?
Answer: B
Mathematics
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Provide an appropriate response.A student argues that the best choice for the logarithmic base to be used in solving 8x = 76 is 8. What is wrong with this thinking?
What will be an ideal response?
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Rewrite the following number using digits.Two hundred six thousand, one hundred seven
A. 207,106 B. 260,170 C. 206,107 D. 2617
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Find the exact value of y, or state that y is undefined.y = cos-1 0
A. undefined
B. ?
C. 
D. 0
Mathematics
Indicate whether the statement is true or false.
is an integer
A. True B. False
Mathematics