Is the ordered pair (4, 12) a solution to the equation y = 3x? if yes, is it the only solution? a. no, the ordered pair does not fit the equation. b. yes, but it is not the only solution to the equation. c. yes, and it is the only ordered pair that fits the equation.

Simplify the expression. -2/5(10+15m-20n)

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

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*