You conduct a survey in your school to find out each student's favorite fast food restaurant, and you want to create a graph showing the percentage of students who chose each restaurant. Which is the appropriate graph?

stem-and-leaf
circle graph
line graph
scatter plot

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