Can someone solve what y=?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

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

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.