John knows that his own income is a 107 on the income scale. He wonders, what z-score is associated with the income score of 107? And what percentage of people in Idaho is he richer than? Draw this on a normal curve and shade in the appropriate space and answer his questions.

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in