What are the zeros of the function f(x) = x^2+4x+3? x = 4, x = 3 x = -1, x = 3 x = -1, x = -3 x = 1, x = 3

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?