A square yellow rug has a purple square in the center. the side length of the purple square is x inches. the width of the yellow band that surrounds the purple square is 3 in. what is the area of the yellow band ?

What is the value of x in the diagram below?

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?