Andy has a collection of movie dvd's. in andy's collection 3/5 of the dvd's are action and 1/4 of the dvd's are comedy . andy said 4/9 of his collection is action is action or comedy . cindy said that andy made an error. explain whether or not andy is correct or incorrect and why.

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t