I need help with number 8

What is a rational number between 9.5 and 9.7

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.

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.