A campground consists of five square campsites arranged in a line along the beach. the distance from the edge of the campsite to the water at the end of the beach is 3 yards, the area of the campground including the beach is 655 yd. what is the width of one campsite

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola 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? write your answer as a decimal rounded to the nearest tenth