Melanie is selling headbands and bows. Each bow (x) costs $5 and the headbands (y) cost $15. Her goal is to make at least $450 and sell at least 10 headbands. Write a system of inequalities to represent the situation.​

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