6 Kay sees a jacket in New York costing $170. She knows the same jacket costs £132 in London. Using the exchange rate £1 = $1.30, work out in which place the jacket is cheaper and by how much. Show all stages of your working out.

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.