Evaluate 5−1/−90. Write your answer as a fraction in simplest form.

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 function show two sisters' savings account and the rate at which they plan to deposit money

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1