The midpoint of rs is n(-4,1). one endpoint is s(0,-7). a) what are the coordinates of r b) what is the length of rs to the nearest tenth of a unit?

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work