Every minute, 840,000,000,000 drops of water flow over Niagara Falls. a. Write this number in scientific notation. b. Show your work and explain how many drops flow over the falls in a day.

Perform the indicated operation. 8/a - 6/a + 7/a

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

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