Find the volume of the described solid.The base of a solid is the region between the curve y = 6cos 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. 9?
B. 
?
C. 3?
D. 
?
Answer: B
Mathematics
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Fill in the blank with one of the words or phrases listed below.
The 21 above is called the 
.
A. product B. quotient C. difference D. sum
Mathematics
Decide whether or not the ordered pair is a solution of the system.(-4, 1)2x = -7 - y4x = -14 - 2y
A. No B. Yes
Mathematics
List the intercepts for the graph of the equation.y = x - 2
A. (2, 0), (0, -2) B. (2, 0), (0, 2) C. (-2, 0), (0, -2) D. (-2, 0), (0, 2)
Mathematics
Solve.The sum of the reciprocals of two consecutive integers is 
. Find the integers.
A. 3 and 4 B. 4 and 5 C. 5 and 6 D. 9 and 10
Mathematics