Perm and Comb Review Discrete.

Simpllify \left(8!-6!\right)+\left(0!+3!\right)

Simplify \frac{7!+8!-9!}{0!+1!}

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Simplify \frac{9!12!}{10!}

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A committee must be formed with 3 teachers and 5 students. If there are 8 teachers to and 15 students, how many groups?

Simplify^{\frac{5!}{6!}\times\frac{36\times4!}{3!}}

How many 3-letter codes can be made from A, B, C, D, E if no letter can be used more than once?

How many ways can a king, queen, knight and duke be selected from a group of 20 people?

There are 10 students in a spelling bee. How many ways can they come in 1st and 2nd place?

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A license plate has 3 letters followed by 4 numbers with repetition allowed. How many possible plates?

How many different ways can 7 people finish in a race?

Kathy can choose 2 cats from a litter of 5. How many possibiliites are there?

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Evaluate (0!+ 0! + 2!)³

From 9 names on a ballot, 4 will be elected to attend a convention. How many different committees can be formed?

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