Andy has a collection of movie dvds. in andys collection 3/5 of the dvds are action 1/4 of the dvds are comedy. andy said that 4/9 of his collection is action or comedy. cynthia said that andy made an errer. explain wether andy is correct or incorect and why.

What is the definition of a surd. give an example.

Asap easy 6th grade 30 pts describe how to rewrite a power with a positive exponent so that the exponent is in the denominator.

Ameteorologist measures the angle of elevation to her weather balloon as 33 degrees. a radio signal from the balloon indicates that it is 1601 meters diagonally from her location. how high is the weather balloon above the ground? round to the nearest hundredth