Permutations and combinations worksheet
evaluate each permutation or combination (you must show the set up) :
1. 7p3
- 2.7p4 3. 7p7 4. 8c 5. z. c3 c₃
6.,c₂

need immediately

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Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

What graph represents an even function