In the diagram, ∠abc = 90°. what is the radius of the circle?

a. 5.7 in
b. 16.5 in
c. 24.6 in
d. 12.3 in

Out of the 180 students at a summer camp, 72 signed up for canoeing. there were 23 students who signed up for trekking, and 13 of those students also signed up for canoeing. use a two-way table to organize the information and answer the following question: approximately what percentage of students signed up for neither canoeing nor trekking? 72% 40% 54% 98%