Oscar buys a dozen donuts for a party. Three fourths of the donuts are chocolate. How many donuts are chocolate? please help me with this

He concluded that a heavier object dropped from the same height as a lighter object will land

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

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