Solve the equation -4 + 4a = 12 for a. A.4 B.5 C.6 D.9

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

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?

Look at the example below which shows how the product property of radicals is used to simplify a radical. use the product property of radicals to simplify the following radical.