Which of the following parent functions has a domain and range of all real
numbers?

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.

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract