3 887 860 tonnes of paper were collected last year. Round this number to the nearest million.

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.

Reflect the point (7,0) across the y-axis

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?