A teacher wants to sent 5 students to the library each day. There are 22 students in the class. How many ways can she choose 5 students to go to the library on the first day?

There are 26 334 ways.

Step-by-step explanation:

Using Combination Rule because the question say choosing 5 students to go where the arrangement or order does not matters.

22C5 = 26 334

*nCr, n is a number of objects and r is the number of spaces/seats

(Correct me if I am wrong)

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step-by-step explanation: vsfdvsfvd

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.