Plot the set of points and identify the shape. Then find the perimeter of the polygon. (-5, 0)
(7, 2)
(9, -6)
(-3, -8)

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

Factor 15x^3 - 5x^2 +6x-2 by grouping. what is the resulting expression

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?