Perform the indicated operation and simplify.
+ 
A. 3
B. 
C. 0
D. 
Answer: A
Mathematics
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Factor by any method.81k3m - 192m4
A. 3m(3k - 4m)(9k2 + 12km + 16m2) B. (9km - 12m2)(9k2 + 16m2) C. 3m(3k + 4m2)(9k2 - 12km + 16km2) D. 3m(27k - 4m)(k2 + 12km + 16m2)
Mathematics
Graph the parabola and label the vertex. Find the y-intercept.y = 
x2 + 8
A. vertex (0, 8), y-intercept (0, 8)
B. vertex (0, -8), y-intercept (0, -8)
C. vertex (0, 8), y-intercept (0, 8)
D. vertex (0, -8), y-intercept (0, -8)
Mathematics
Factor the polynomial.x2 - x - 72
A. (x + 9)(x - 8) B. (x + 1)(x - 72) C. (x + 8)(x - 9) D. prime
Mathematics
Solve the system of equations using the substitution method.
A. (3, -6) B. (4, -6) C. (-7, 4) D. (4, -7)
Mathematics