Me solve this equation! 4x + 10 = -2y remember to use the y = mbx+b formula!

Option 1: $30 an hour plus a nonrefundable deposit of $50 option 2: $20 an hour plus a nonrefundable deposit of $75 kyle is renting a jetski for the day. if he can rent the jetski in one hour increments, what is the minimum number of hours must he rent the jetski for option 2 to be a better deal then option 1?

What is the solution to the equation 9^(x+1) =27

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