Study the diagram of circle c, where two chords, ab and de, are equidistant from the center. if ab=3x-7, and de =5(x-5), what is the length of ab?

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%