Answer:

Step-by-step explanation:
First distribute the -4 to the 2b and -3b. This leaves you with 
Now you can distribute the 12b to b and +4. This leaves you with 
Now you can combine your like terms leaving you with
.
Hello,
Answer D
16x²y²-24xyz+9z² a perfect square trinomial
which
le square of the difference of 3z from 4xy.
You need more information to answer this question. Is there a table or percentage for that age group?
Answer:
7k
Step-by-step explanation:
−k−(−8k) = -k +8k = 7k
It is called Ecological Succesion hope that helped:)