13. for the function rule y = -2x - 3, provide the x-y coordinates of the y-intercept and the x-intercept. show your work.

Out of the 150 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?