Note: Enter your answer and show all the steps that you use to solve this problem in the space provided Z1 and 2 are supplementary angles. mZ1 is 4y + 7 and mZ2 is 9y + 4. Find mZ2

When y’all answer can y’all explain too !

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.

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?