Show that (2,1) is a solution of the system of equations.

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days