Describe a method for verifying that quadrilateral EFGH is a parallelogram if only the interior angle measures of EFGH are known. Explain your answer.

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Question 4 of 102 pointsjuliana had $96, which is eight times as much money as al had. how mucmoney did al have? select the correct solution method below, representingals money with x.