PLEASE HELP ME !! I NEED TO FINISH THIS QUICKLY

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?