Rewrite the expression - 8 using a positive exponent.
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Find the solutions for a triangle with a =16, c =12, and b = 63º

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2