In the equation 12a+5, identify the coefficient.

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Which one is true about the hexagons ?

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