Through (4,-3) and (5,-1)

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Is the point (0, 8) on the x-axis or y-axis? how do you know?

See attachment below and find the equivalent of tan(∠qsr)