Evaluate the expression.6 - (-5)
A. 1
B. -1
C. -11
D. 11
Answer: D
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.x = 
ey2, y = 0, x = 0, y = 1
A. ?(e - 1)
B. 3?(e - 1)
C. 
(e - 1)
D. 
?e
Mathematics
Add or subtract as indicated. If terms are not like radicals and cannot be combined, so state. Assume all variables represent nonnegative real numbers.6
- 11
+ 2
A. 7
B. -7
C. -3
D. 3
Mathematics
Graph the ellipse and locate the foci.4x2 + 9y2 = 36
A. foci at (
, 0) and (-
, 0)
B. foci at (
, 0) and (-
, 0)
C. foci at (2
, 0) and (-2
, 0)
D. foci at (0, 
) and (0, -
)
Mathematics
Use synthetic division to divide.(7x2 + 55x - 72) ÷ (x + 9)
A. -8x + 9 B. x - 8 C. -7x + 8 D. 7x - 8
Mathematics