dentify the domain of the relation {(2,-3), (6, 2), (-5, 9)}. Be sure to use a comma between the numbers and write the domain in order from smallest to largest

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

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?

What is the slope of the line (-7,2) (4,6)