Two dozen unrelated students went to a party. Half of them brought their mother. Only 4 of them brought their father. How many people totally went to the party?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

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