7th grade math help me on this question pls

For each expression use a property to write an equivalent expression.

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

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