Answer:
180
Step-by-step explanation:
I need to draw a picture to explain.
we have the numbers

we know that
The sum of a number and its additive inverse is 0
so

therefore
the number n is equal to 
the sum is equal to zero
the answer Part a) and Part b) in the attached figure
Answer:
reserves increase by $100 million and the money supply increases by more than $100 million.
Step-by-step explanation:
Consider the provided information.
It is given that central bank buys $100 million worth of bonds, that means an amount of $100 million in the deposits account of the account holders.
Therefore the reserves increase by $100 million.
It is also given that there are no excess reserves, it means banks can lend the reserves and that will increase the money supply by more than $100 million.
Hence, reserves increase by $100 million and the money supply increases by more than $100 million.
Answer:
y=3x+4
Step-by-step explanation:
This is the correct answer
Answer: 12r + 3
Step-by-step explanation:
6r+3(2r+1)
Apply BODMAS, do bracket first
6r + (6r + 3)
Do addition next
= 12r + 3