Aschool purchases boxes of candy bars each box contains 50 candy bars each box cost $20. how much does the school have to charge for each candy bar to make a profit of $10 per box

List the elements of the set in roster notation. (enter empty or ∅ for the empty set.) {x | x is a letter in the word hippopotamus}

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.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals