A= 1/2 h(a+b) solve for b

Use the distributive law to multiply. 3(4x + 5y + 6)

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?

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