# Alg2

How many ways can six different books be arranged on a shelf if one of the books is a dictionary and it must be on an end?

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1. Find all the arrangements for 5 books, and multiply by two, i.e. putting the dictionary at either end.

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2. 240

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3. Perfect!

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4. Help w/Word Prob: LAW ENFORCEMENT A police accident investigator can use the formula s=2√5l to estimate the speed=s of a car in miles per hour based on the length=l in feet of the skid marks it left. How fast was a car traveling that left skid marks 120 feet long?

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5. Sorry Rock.
Please make a new post. Tagging on an existing post will only slow down your response.
Thanks.

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6. Thanks, I did!

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7. D
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Connexus students for quick check 4 Lesson 6 permutation I got 100%

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8. yourway2a100 is correct its
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A

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9. 100%

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10. im going to fund D A C A...get it...oh

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11. john doe that was a horrible joke xD

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12. i dont get it...... ;-;

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13. i dont either, #ifeel

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14. waw waw

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15. just shut up

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16. D
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These answers are still correct. Great job! :)

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18. wait a second that aint right

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