A painter can paint 3 walls in one hour. Which graph models a relationship with the same unit rate?

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

An ant travels at a constant rate of 30cm every 2 minutes. at what speed does the ant travel per minute

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21