Can someone help me out with this?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

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.

How many lines can be drawn through points j and k? 0 1 2 3