Hiii please help i’ll give you brainliest if you show your work as well

Me because some of question i don’t understand

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.

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11