Let be a system of linear equations in variables. Designate the columns of as . When is a linear combination of these column vectors, explain why this implies that the linear system is consistent. What can you conclude about the linear system when is not a linear combination of the columns of

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