I need number 2 answer plz.

2.5 milligrams is equivalent to how many grams

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

Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed