How many of the parallelograms fall into the category AU B?
The diagram shows the universal set U = {parallelograms).
Set A represents parallelograms with four congruent sides,
while B represents parallelograms with four congruent
angles.
6
8
18
26

Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.

Find the value of x for which the lines are parallel.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).