Which expression represents the sum of ​
2
divided by
x
and
15
?

What could explain what happened when the time was equal to 120 minutes

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?