Answer:
4x^2-81y^2 is NOT a perfect square trinomial, factored. You know this because if you factor this to (2x+9y)(2x-9y) then you will see that the signs between terms in the parenthesis are DIFFERENT.
Step-by-step explanation:
Taking notes as you go through the course will help you retain and process the information much better than getting "help" from a site that is probably badly named.
Huh like omg how can y’all understand that like my math teacher don’t teach us that we got easy stuff like we don’t have hard stuff like that is just 2 much
The length of the segment is 5√5, the midpoint of the segment is (-9.5,10).
Answer:
A. 
Step-by-step explanation:
For this problem, we have to combine like terms.
Let's look at the equation:
, 
, 
do not have any other like terms, so we keep all in the final answer.
and 
are like terms, so we combine them. 
14 and 6 are like terms, so we combine them. 14+6 = 20
Let's put everything into the final equation:
So, the final answer is A.
Hope this helps! If you have any questions about my work, leave them in the comments below!
Answer:
$40.50
Step-by-step explanation:
9% of 450 is 40.5
