What is the constant of proportionality when y=55 and x=1/4

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

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

Equation for the calculation double 2 and then add 5