What is 1+1+boredom+1

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.

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3