What is the unit rate of 12 meters in 28

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Rewrite so the subject can be y in the formula d=m-y/y+n