What is a necessary step for constructing perpendicular lines through a point off the line? Draw a line that intersects the first line at an acute angle using a straightedge.

Draw a ray that intersects the first line at an acute angle using a straightedge.

Draw arcs on either side of a given point on the line.

Draw arcs on the given line in two places.

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

When is g(x) = 0 for the function g(x) = 5.23x + 4?