2x + 2x + 5x + 5x= please answer quick it's very hard and I like the game to answer please and thank you.

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 = y² - 9 opens: a.)up b.)down c.) right d.)left

How do you determine if an ordered pair is a solution to a given equation?