Convert 11dm^2 to cm^2

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

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