The same object that weighs approximately 1.8 pounds on Mars weighs 5 pounds on Earth. Which proportion could be used to determine the approximate weight (W), in pounds, of an object on Mars that weighs 120 pounds on Earth?

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?