I WILL MARK BRAINLIEST Which system of equations does this graph represent?

Linear graph and parabola. They intersect at negative 1, 3 and 2, 6

y = x2 − 5
y = −x − 3

y = x2 + 2
y = x + 4

y = x2 + 3
y = −x + 2

y = x2 + 4
y = −x − 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?