Answer:

Step-by-step explanation:
We are required to write the function
in vertex form.
First, bring the constant to the left-hand side.

Factorize the right hand side.

Take note of the factored term(4) and write it in the form below.


Substitute 36 for the boxes.



The function written in vertex form is 
Answer:
40
Step-by-step explanation:
The triangle on the right is smaller than the one on the left, so the numbers on the right triangle are smaller. The numbers are being multiplied by 5 because...
side 5 times 5 = side 25 on the left triangle
side 6 times 5 = side 30 on the left triangle
so...
side 8 time 5 = side 40 on the left triangle which is the answer
The answer is MN with a bar/line on top of it
1. (y-x)0.18
2. I'm pretty sure about 2 hours.
3. 210 dollars