Pa help po plis papasa na daw po bukas

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.

When y’all answer can y’all explain too !

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?