To find out the average rate at which she traveled, take 254 miles and divide it by 5 hours. 265/5 = 53 miles per hour. Alicia's average speed was 53 miles per hour.
To find the answers to these, simply look to the coefficient of x and the constant at the end of the equation. The number attached to x is always m (which is known as the slope). The number at the end is b (or the y-intercept).
