Simplify the expression without a calculator.(-3)-4
A. 81
B. 
C. - 
D. -81
Answer: B
Mathematics
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Solve the problem.The disk (x - 4)2 + y2 ? 1 is revolved about the y-axis to generate a torus. Find its volume. (Hint: 
= 
?, since it is the area of a semicircle of radius 1.)
A. 8?2 B. 2?2 C. 4?2 D. 4?
Mathematics
Determine the slope and the x- and y-intercepts of the line.y = 3 - x
A. Slope is 1 y-intercept is (0, -3) x-intercept is (3, 0) B. Slope is 1 y-intercept is (-3, 0) x-intercept is (0, 3) C. Slope is -1 y-intercept is (3, 0) x-intercept is (0, -3) D. Slope is -1 y-intercept is (0, 3) x-intercept is (-3, 0)
Mathematics
Simplify.(7 + 5)[4 + (7 + 6)]
A. 64 B. 204 C. 1610 D. 595
Mathematics
Let 
. Find the domain of the composite function.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics