Solve the system by substitution.x - 2y = 5 x = 3y
A. {(-15, -5)}
B. {(15, 5)}
C. {(5, 15)}
D. 
Answer: B
Mathematics
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Factor.12y2 + 25y + 12
A. (3y - 4)(4y - 3) B. (3y + 4)(4y + 3) C. (12y + 4)(y + 3) D. (12y + 1)(y + 12)
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Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
4
A. 
B. 
C. 
D. 
Mathematics
Simplify.(3 + 4x5)2
A. 16x10 + 12x5 + 9 B. 16x10 + 24x5 + 9 C. 16x25 + 24x5 + 9 D. 16x10 + 9
Mathematics