Please help!!Calculate the slope and in your notebook graph the rates of change for the three cars. Car A travels at a speed represented by the equation y= 45x

The unit rate is miles per hour

Charlie is a car salesman he earns $800 plus a 9% commission on all of her sales for the week if charlie receive the payment for $1960 this week how much where is total sales

Can someone me i’m confused. will give brainliest and a whole bunch of points

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?