Simplify by factoring. Assume that any variable in a radicand represents a positive real number.
A. 
B. x7
C. 
D. x2
Answer: B
Mathematics
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Calculate the surface area of the given surface.The parabolic cylinder with equation z = y2 and lying over the triangle in the 
with vertices 
A. 
(653/2 - 1) + 
(ln 65 - 1)
B. 
653/2
C. 
(653/2 - 1)
D. 
653/2 + 
ln 65
Mathematics
Determine the measure of the interior angle at vertex A.
A. 168 B. 120 C. 84 D. 60
Mathematics
Solve the formula for r.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the quadratic equation by completing the square.a2 + 2a - 35 = 0
A. ±
B. 5, -7
C. -28, -7
D. -5, 7
Mathematics