Simplify 1/4y +1 1/2+ 2 -1 3/4y -12

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

If a is a nonzero real number then the reciprocal of a is

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585