The head of a nail is circular, as shown. The head of this nail has a diameter of 10 millimeters. Which measurement is closest to the area of the head of this nail in square millimeters? 15.7 mm2 314 mm2 78.5 mm2 62.8 mm2

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.