Josh can wash 3 cars in 60 minutes. Which of the following proportions can be used to determine how many cars he can wash in 4 hours

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?