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2. It takes 12 hours to fill a pool with two pipes, where the water in one pipe
flows three times as fast as the other pipe. How long will it take the slower
pipe to fill the pool by itself?

Which of the following parabolas opens down?

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.