Halp
evan is using the dot plots to compare two sets of data. both plots use the same number line. what is the difference between the mean of each data set?

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

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?

Simplify this expression. 8x 16(x + y)