I am currently doing a quiz the day before the end of the marking period, so i need help right now. With this question, i need to use 4c-3d=7 and solve that algebraically

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?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

15 points what is the end behavior of this graph? & what is the asymptote of this graph?