220 people enter a room with 44 tables. Some of the tables sit 3 people, while the rest sit 7 people. If all the tables are filled to capacity and
everyone gets a seat, how many tables sit 7 people?

Triangle xyz has vertices x(1,3), y(0,0)

Are the corresponding angles congruent? explain why or why not.

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your