Use the order of operations to simplify the expression. 5 + 21 ÷ 7 x 2 - 3

Which function is represented by the graph

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge