Add 26.2 + 0.07 + 21.a 29.0 b 47.27 c 26.48d 54.2

For the equations below which statement is true ?

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?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp