POV: ur in a room with Pico, Wgat are u doing?

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

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