3.14 is the square root of pie.
It is 10 more in the thousands than the hundreds... multiply 100 x 10...
For this case we have the following expression:

Rewriting the expression we have:
We apply distributive property to the terms of parentheses:

Answer:

The answer to the third question is that the root of the chord is a Gb.
Could you explain what you need help with for this question more? i can help i just need an explanation of what you need:)