Kristian ordered 3 dvds by mail each dvd cost the same amount with a $6 shipping charge the total cost was $42 how much did each dvd cost?

These question are hard can you me with answers

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. what distance from city a is the point where the truck and the car will meet?