The students in class a and class b were asked how many pets they each have. the dot plots below show the results. what is the difference between the ranges in the dot plots?

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

What is the average rate of change for this function for the interval from x=2 to x=4 ?

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