If f(x) = 5х + 40, what is f(x) when x=-5?

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.

Why do interests rates on loans to be lower in a weak economy than in a strong one

In a column proof the right column states your reasons