You order an entree for $12.00. you pay $0.78 in taxes. what is the tax rate?

What's the difference between: x≥0 and nonnegative integer. ?

Solve 3x-18=2y and 5x-6y=6 by elimination show work

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