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Roger D.

Science, Math, Econ, MCAT Tutor - Northwestern, MBA, engineer

Boston, MA (02114)

Travel radius
15 miles
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x^2 + 2x - 5 is equivalent to ax^2 + bx + c, that's why a= 1, b= 2, c= -5 Like others said earlier, u would use quadratic eq. -b±v(b2-4ac) is numerator 2a is denominator Therefore, -2 ±v (2^2 - 4*1*-5) = -2 ±v(4+20) = -2 ±v24 = -2 ± 2v6 v6 = 2.45 2v6 = 4.90 -2 - 4.90 = -6.90 -2 +...

If Room and Board is 26% and Tuition is 64%, than you just take the difference in percent. 64-26 to get 38%. Then multiply $15,000 and 38% to get $5700. In other response, $9600 - $3900 DOES NOT = $6000, RATHER $5700

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