On a blueprint, the scale indicates that 9 centimeters represent 15 feet. What is the length of a room that is 10.8 centimeters long and 6 centimeters wide on the blueprint?

How do i do this activity, is appreciated

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π