Please help me with this sum

If you are just building your payment history, how many points from a perfect score will you possibly miss?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?