Andrea bought a new pair of earrings. The original price of the earrings was $35. She received a discount for 20% off the original price. When she paid for the earrings the cashier added a 7.5% sales tax to the discounted price. What is the percent change between the original price and the discounted price? Round your answer to the nearest tenth of a percent

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.