Identify the triangle congruence postulate or theorem (sss, sas, asa, aas, or hl) that shows the triangles are congruent. if the triangles are not congruent, state not congruent.

Find the cosine function that is represented in the graph.

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.