1) A rare pair of shoes increases in value over the years. The original cost of the shoes
is $55.00 After 20 years, how much will the shoes be worth? What is the increase in
their value? I

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Having a hard time understanding this question (see attachment).