Valerie and bret have a total of 24 dog show ribbons. bret has twice as many ribbons as valerie. how many ribbons does each have?

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.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Ineed on this question me get the answer