I need two examples of showing the elements of whole numbers ( and differentiate it from the other sets).

If the measure of xyz is 81 what is the measure of yz

Find the slope of a line given the following two points

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.