Passes through (3,1) ,perpendicular to y=-3x+2

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.

Alogical argument that is presented in graphical form using boxes and arrows is called?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?