Sarah is driving to dallas which is 320 miles drive, first she drove to natchitoches which is 60 miles and drive 45 minuets what is sarah’s rate min miles per hour

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)