Simplify, if possible.
A. 
B. 
C. - 
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 = 5cos 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. 6?
C. 
?
D. 
?
Mathematics
Find all the polar coordinates of the point.(7, -?/3)
A. (7, 2?/3 + 2n?), (-7, 5?/3 + 2n?) B. (7, ?/3 + 2n?), (-7, 4?/3 + 2n?) C. (7, 4?/3 + 2n?), (-7, ?/3 + 2n?) D. (7, 5?/3 + 2n?), (-7, 2?/3 + 2n?)
Mathematics
Express using positive exponents. Then simplify.
-3
A. -8
B. 
C. 
D. 8
Mathematics
Find the slope and y-intercept of the line.-5x + 7y = 2
A. slope = 
; y-intercept = - 
B. slope = 5; y-intercept = 13
C. slope = 
; y-intercept = 
D. slope = 
; y-intercept = 
Mathematics