F(x)=3-2x

select all of the following that are ordered pairs of the given function.

a: (-2,-1)
b: (-1,5)
c: (0,3)
d: (1,0)
e: (2,-1)

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?