Please help god blews you i am in agonizing and excruciating pain may god bless you i just want to sleep after i get this done

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

The parabola opens: y=√x-4 (principal square root) up down right left

3questions show how you solved the problem 1. subtract & simplify (–y2 – 4y – 8) – (–4y2 – 6y + 3) 2.multiply and simplify 2x2y3z2 · 4xy4x2 3.multiply and simplify (x – 4) (x2 – 5x – 6)