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1) In how many ways can I choose 4 different officers (President, Vice President, Treasurer, and Secretary) from a club of 9 people?

 

2) There are twice as many students in the cooking club as in the drama club. Suppose there are $a$ students in the drama club and $b$ students who are members of both clubs. Find an expression for the total number of students who are in the cooking club or the drama club (or both). Give your answer in simplest form.

 Feb 11, 2021
 #1
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First one here  :

 

https://web2.0calc.com/questions/counting-problem_40

 

 

cool cool cool

 Feb 11, 2021
 #2
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Ummmm.... What about the second one???

Guest Feb 11, 2021

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