Answer:
x=20
Step-by-step explanation:
bc 25 divided by 10 is 2.5 so you just multiply 8 by 2.5
82
Explanation
the average is calculated by dividing the sum of the values in the set by their number.
Step 1
Let

Step 2
apply the equation

so, the answer is 82
Step-by-step explanation:
try doing a2+b2=c2 it will help