Evaluate by finding the least common denominator. Simplify if possible.- 
+ 
A. - 
B. 
C. - 
D. 
Answer: C
Mathematics
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Find the y-intercept.y = x2 + 8x
A. 0 and 8 B. -8 C. 0 and -8 D. 0
Mathematics
Determine the center (or vertex if the curve is a parabola) of the given curve.9y2 + 16x2 + 72y = 0
A. (0, -4) B. (-3, 0) C. (0, 4) D. (3, 0)
Mathematics
Rewrite the following as indicated.
(Write as a percent.)
A. 15
%
B. 156
%
C. 78
%
D. 1
%
Mathematics
Solve the equation.
= 3
A. 
B. 
C. 
D. no real solution
Mathematics