This is From the equation, find the axis of symmetry of the parabola. y = 2 x squared + 4 x minus 1
a.
x = 3
c.
x = negative 3
b.
x = negative 1
d.
x = 1

Please select the best answer from the choices provided

A
B
C
D

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?