Please help me. I have been struggling with prob and stats.

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

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas

Abuilder divides a rectangular plot in half along the diagonal.if the plot is 1\2-mile wde and the diagonal measures 1 3\10-miles long,what is the length of the plot?