Since we need your monthly bill we will call it the variable B for now, (Unless you have the bill, if so replace it with the variable)
Multiply 1.64 x B since the exchange rate is different than the US bill,
For example, say your bill is $100 in the U.S.
You do 1.64 x 100 = A monthly bill of $164 if you lived in Britain
ANSWER

EXPLANATION
The given expression is

The middle radical contains a perfect square.



Note that:


There is no mode in these scores.
This is because mode is when two numbers show up the same like 4 and 4.
Center will be (6,-4) and the radius will be square root of 7