Determine which system below will produce infinitely many solutions.

2x + 5y = 24

2x + 5y = 42

3x - 2y = 15

6x + 5y = 11

4x - 3y = 9

-8x + 6y = - 18

5x - 3y = 16

-2x + 3y = - 7

How could you describe to someone what an exponent is?

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What are the factors of - 72 that add up to - 15

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PQ=3x+14 and QR = 7x-10: Find x