Abaker made 5 pounds of dough . he used 4/9 of the dough to make sandwich rolls . how much of the dough is left over

Find the area of the regular hexagon if a side is 20 cm.

Math each whole number with a rational, exponential expression

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