**Answer:**

**23** is the prime number

How?

▶

<u>21 is divisible by 3</u>

<u>21 is divisible by 322 is divisible by 2</u>

<u>21 is divisible by 322 is divisible by 223 is not divisible by any no. </u>

<u>21 is divisible by 322 is divisible by 223 is not divisible by any no. 24 is divisible by 2 </u>

<h2>The distance between two points is

or 9.9 units</h2>

<em><u>**Solution:**</u></em>

<em><u>**The distance between two points is given as:**</u></em>

From given,

<em><u>**Substituting the values we get,**</u></em>

Thus the distance between two points is or 9.9 units

**Answer:**

C) 6(4m-n)

**Step-by-step explanation:**

Because 6(4m-n)=24m-6n.

0.5078125 is the answer !!