1.whats the difference -2 -6 a)-8 b)-4 c)8 d)4 2.what is the simplest form of the following expression? √1/44 a)2/44 b)1/288 c)1/12 d)12

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