Answer:
option b
Step-by-step explanation:


the denominator is in the surd form, so it must be rationalized
Answer:
There are 220 choices
Step-by-step explanation:
Given

(President, Treasurer and Secretary)
Required
Determine number of selection (if no restriction)
This is calculated using the following combination formula:

Where


So, we have:









<em>There are 220 choices</em>
Answer:
0.30
Step-by-step explanation:
Each number was getting divided by 3 each time
Assuming a "piece of fabric" is a yard, 5x5 is $25.00.