Factor completely. If prime, so state.xy + y + 9x + 9
A. (9x + 9)(y + 1)
B. (x + 9)(y + 1)
C. (x + 1)(9y + 9)
D. (x + 1)(y + 9)
Answer: D
Mathematics
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If possible, use the graph to evaluate the expression.f(-1)
A. -5 B. -4 C. -3 D. -2
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Provide an appropriate response.
=
A. 
B. 
C. 2
D. 4
E. - 
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Find the measures of x, y, and z in the figure.
A. ?x = 126° ?y = 19° ?z = 126° B. ?x = 19° ?y = 161° ?z = 161° C. ?x = 161° ?y = 19° ?z = 161° D. ?x = 71° ?y = 19° ?z = 71°
Mathematics
Solve the system of equations by the substitution method.
A. (8, -1) B. (-9, -1) C. no solution D. (9, -2)
Mathematics