If the length of the real airplane is 38 then 19x2 is 38, so 18x2 36. therefore you answer is 36
<u>ANSWER</u>
The vertex form is 
<u>EXPLANATION</u>
We use completing squares

We factor -4 out of the first two terms

We add and subtract
, that is coming from,
.


The expression in the first parenthesis is now a perfect square.


The function is now in the form,
, where
is the vertex
Hence the vertex is
Answer:
uhm do ur own homework
it's okay to ask for help but it's kinda petty to ask someone to do everything
do u even have alot of homework?
.
We can expect about 193 earthquakes.
Hope this helps.
Answer:
B
x is representing the price of one ticket in which the tickets bought was four.so therefore (x+x+x+x+16)=680
4x + 16 =680