Its a very simple question... wanna get brainliest. if so answer this .. Did I colored the parts correct ... should the denominator be 4 instead of 2..??? ​

H(x)=4x2-5x h(-3) what is the answer?

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?

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