Divide -2 1/6 divided by 7 5/4 explain each step you use to find the quotient. Hurry Please!! My friend needs help! Thank you! <3

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great