Help me please I need it ASAP

Evaluate the expression. (9 + 5)(3 + 2)0

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?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*