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Mathematics, 24.07.2019 14:00 lieremia4

Asap plz! 1. if m/n=5, then m^2−25n^2 = 2. if 3/x=5/y, what is the value of y/x? 3. if (3x+5)^2=ax^2+bx+c, what is the value of a+b+c? 4. 8^(2x−1)=4^(3x+4)

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Asap plz! 1. if m/n=5, then m^2−25n^2 = 2. if 3/x=5/y, what is the value of y/x? 3. if (3x+5)^2=ax^...
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