6. The scale in the drawing is 2 inches : 4 feet. What is the length and width of the actual room? What is the Length and Width ?

Helppp

Which of these choices show a pair of equivalent expressions?

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11