Answer:
fat bit
fat old ugly
Step-by-step explanation:
Its D(5,-4) XD ;p
because I did it and got it right but don't take my word for it just ask the other suggestions <span />
So we are given a system:

Substitute x = 2 we get the system:

Multiply the first equation by -5 and the second by 2 we get the system:

Adding the two equations we get :

We find the value of y by using any of the other equations like this:

Final solution:
Answer:



And finally we can convert this into money like this:

So they spent every day approximately in total $ 4815291.6 dollars
Step-by-step explanation:
For this case we can convert the average power into Kw like this:

Now on average we know that one person use on average this power over 6.3 hours per day so then we have the following consumption rate:

And now we know the total population so then the total consumption per day would be:

And finally we can convert this into money like this:

So they spent every day approximately in total $ 4815291.6 dollars
Answer:
The response to this question can be defined as follows:
Step-by-step explanation:

For point a:
For point b:
For point c:
For point d:
