the 40km/h school zone extends 100m both sides of the school pedestrian cross? Do you think this is a reasonable length?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

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.

What is the x-intercept and y-intercept of the equation 2x+1. 2o