Ulissa is making a birthday card and wants to put a border made of pink ribbon all the way around the front of the card. The card is a rectangle 7 inches long and 4 inches wide. How long will the pink border be?

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