Answer:
100
Step-by-step explanation:
10^2 is 100 therefore it is 100

We need to get the equation in square form
We apply completing the square method

Divide all the terms by 5

Group x terms and y terms separately

By completing the square method, we take half of coefficient of x and square it

square it 
Add 1 on both sides


square it 
Add 4 on both sides

Add 6 on both sides

Now factor both parenthesis

The equation of the circle is 
All you do is divide 1.57kgs and 5.61kgs
and the answer to that would be 3
Answer:
hi
Step-by-step explanation: