Atrain is traveling at 72km/hr. how far will it go in 7 seconds

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.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

The graph of a curve that passes the vertical line test is a: