Amicrowave is placed on top of two boxes. one box is 4 feet 2 inches tall, the other box is 3 feet 5 inches tall, and the microwave is 2 feet 7 inches tall. how tall are they combined?

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.