What percent of 28 is 21?
what number is 80% of 45?

When turned about its axis of rotation, which shape could have created this three-dimensional object?

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.

Can someone me with the property questions for 12 13 and 14 plz