Which of these is a simplified form of the equation 7x + 4 = 5 + 3x + 1x? I really need the step by step so I know how to this. Thank y'all soo much <3

Does the point (1, sqrt 7) lie on circle shown.

How can you tell when x and y are not directly proportional?

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?