The mean is the average. You calculate it by adding all the numbers up in the data set and divide by how many numbers there are in the data set.
So:
Answer: 0= -3 No solution
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
If I read this correctly:
you want to know the square root of 13²?
That would be 13
Answer:
27/9
Step-by-step explanation:
Answer:

Step-by-step explanation:
The given figure shows a triangular pyramid having 16 units as height. The base of pyramid is triangle.
The area of a triangular pyramid is given by :

Where
b is the area of base

So, the required area is equal to
.