Multiply and simplify. Assume that all variables represent positive real numbers.
(
+ 
)
A. 7
+ 49
B. 49
+ 7
C. 7
+ 7
D. 21 + 49
Answer: C
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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 tetrahedron bounded by the coordinate planes and the plane 
A. 
B. 
C. 49
D. 
Provide an appropriate response.The curves y = ax2 + b and y = 2x2 + cx have a common tangent line at the point (-1, 0). Find a, b, and c.
A. a - 2, b = 1, c = -1 B. a = 1, b = -1, c = 2 C. a = -1, b = 1, c = -2 D. a = 1, b = 0, c = 2
Find the measure of each angle in the problem.Supplementary angles with measures 2x + 7 and 3x - 2 degrees
A. 77° and 103° B. 57° and 123° C. 87° and 93° D. 67° and 113°
Fill in the blank with one of the words or phrases listed below. 
Use the facts below. 2 ? 3 = 6
4 + 17 = 21
20 - 9 = 11
The 4 above is called a(n) 
.
A. subtrahend B. sum C. factor D. addend