Answer:
2. Cost of six books
3. Cost of one book
Step-by-step explanation:
I don't know about the rest though.
Answer:
since 4y=12 and 4y=2x then 4y=12=2x or 12=2x
Answer:
-7
Step-by-step explanation:
Given

Required
The first difference
To do this, we simply calculate the difference between the consecutive y-values.
i.e.

So, we have:




<em>Hence, the first differences are -7 (all through)</em>
Answer:
The answer is 40 can I please get brainleist