Solution: The number of ways we can arrange 3 blue marbles if a set of 5 marbles is selected is:



Therefore, there are 10 ways we could arrange 3 blue marbles.
Answer: the third one
Step-by-step explanation:
Between 2 and 3. The answer is 2.23. 2x2=4. 3x3=9
<h3>The height of lamp post to nearest inch is 110 inches</h3>
<em><u>Solution:</u></em>
We have to find the height of lamppost
From the figure in question,
Given is a right angled triangle
Where,
base = 40 inches
height = ?
By definition of tan,

Thus height of lamp post to nearest inch is 110 inches