Please answer correctly AND THIS IS TIMED PLZ ANSWER CORRECT.
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Answers: 3
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Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16
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If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9
Answers: 1
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