Please helpp
a. what's the domain and range of c

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Which system of linear inequalities is represented by the graph? !

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.