This year martin earned $ 1,615mowing lawns, shoveling driveways, and doing yard work. this is 19 times as much as he earned last year. how much did martin earn last year?

Me with this one question, and i'll upvote the brainliest answer

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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.