What angle do you turn through from ne to se clockwise

If angle 2=3x +1 and angle 3=2x +4what is angle 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?

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show