Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Answer: B
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Use a CAS integration utility to evaluate the triple integral of the given function over the specified solid region.
over the rectangular solid 
, 
, 
A. - 1,299,360 B. - 1,949,040 C. - 1,732,480 D. - 1,039,488
For the following question(s), refer to the digraph below.
Vertex D is
A. incident from vertex B only. B. incident from vertex E only. C. incident from vertex C only. D. incident from vertices E and B. E. none of these
Find the vertex, focus, and directrix of the parabola with the given equation.(x + 1)2 = 20(y + 3)
A. vertex: (-1, -3) focus: (-1, -8) directrix: x = 2 B. vertex: (-3, -1) focus: (-3, 4) directrix: y = -6 C. vertex: (1, 3) focus: (1, 8) directrix: y = -2 D. vertex: (-1, -3) focus: (-1, 2) directrix: y = -8
Solve the problem using Snell's Law: 
= 
.A light beam in air travels at 2.99 × 108 meters per second. If its angle of incidence to a second medium is 85° and its angle of refraction in the second medium is 75°, what is its speed in the second medium (to two decimal places)?
A. 3.08 × 108 mps B. 2.89 × 108 mps C. 2.90 × 108 mps D. 2.98 × 108 mps