What is the unit rate for the table showing the cost of movies?

How do you determine whether a relationship represented as as graph is linear or nonlinear

Which of the following is not a subset of {1,2,3}?

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!