Match the equation with the surface it defines.x2 + y2 = 81 
A. Figure 3
B. Figure 2
C. Figure 4
D. Figure 1
Answer: B
Mathematics
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Evaluate the integral.
A. -990 B. -495 C. 657 D. 0
Mathematics
Calculate the slope of the line passing through the given points. If the slope is undefined, so state. Then indicate whether the line rises, falls, is horizontal, or is vertical.(4, -7) and (-3, 2)
A. m = - 
; falls
B. m = 
; rises
C. m = - 
; falls
D. m = 
; rises
Mathematics
Find the sum of the infinite geometric sequence.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Multiply and simplify.
? 108x
A. 
B. 
C. 6,804x
D. 
Mathematics