Help with all plz thanks branniest if all are right

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

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

Find the amplitude of a sinusoidal function that models this temperature variation