What is the measure of angle r?

enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters

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