An author has 18 pages to send to a publisher. the author has only small envelopes and can't fit all the pages into a single envelope. it ends up taking 6 envelopes to hold all the pages. if each envelope has the same number of pages in it, how many pages are there in each envelope?

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On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)