Katelyn had 2 dogs and 3 cats. Which of the following shows the ratio written correctly for the number of dogs to cats? A) 3:2
B) 3-2
C) 2:3
D) 3 x 2

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?

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?