Answer:
18
Step-by-step explanation:
First choose the president. From the 4 people, everyone can be the president except Dan, so there are 3 choices.
Then, choose the treasurer. Neither Bob nor Dan can be the treasurer so there are only 2 choices.
Now choose the secretary. Cyd is the only person who can't take this position, so there are 3 choices.
We are asked by the number of ways of choosing the 3 officers. Using the product rule, this is equal to 3×2×3=18.
1. What is the ratio of guppies to 12 ciclids.
<span>, the ratio is 7:12. </span>
<span>2).4;2=2;1</span>
<span>3. Since there are 9 corydoras catfishes, you put as 9:?.You count the total of fishes including corydoras catfishes which are 34 fishes. The answer is. 9:34
hope it helps
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