Clear fractions then solve by substitution.
x + 
y = 7 x - y = 4
A. {(9, 5)}
B. {(-9, 6)}
C. {(8, 6)}
D. ?
Answer: A
Mathematics
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Determine the coordinates of the indicated point on the graph. 
F
A. (0, 2) B. (1, 2) C. (2, 1) D. (2, 0)
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Sketch the graph of the equation.x = y2 + 6y + 11
A. 
B. 
C. 
D. 
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Factor the square of the binomial.9p2 - 18pq + 9q2
A. (9p - q)2 B. 18(p - q)2 C. 9(p - q)2 D. 9(p - q)(p + q)
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