Write an expression for the calculation double the number 18 and then add 14 divided in half

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

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

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.