Can you prove the two triangles congruent? if so name the postulate you would use. if not write not possible and tell what other information you would need.

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.

Which number produces an irrational number multiplied by 1/3