Answer:
C
Step-by-step explanation:
57 is a composite number
Substitution method is one of the ways to solve this system.
-5x+y=4 and 4x-4y=16.
First we will divide the second equation with number 4 and get
x-y=4 => x=y+4 than we will replace x in the first equation
-5(y+4)+y=4 => -5y-20+y=4 => -4y=4+20 => -4y=24 => y=-6
x-(-6))=4 => x+6=4 => x=4-6=-2 (x,y)=(-2,-6)
Good luck!!!
<h2>'
' in the form of 
- b.</h2>
Step-by-step explanation:
We have,
+ 8x + 15
To express + 8x + 15 in the form of - b = ?
∴ + 8x + 15
Adding and subtracting 1, we get
= + 8x + 15 + 1 - 1
= + 8x + 16 - 1
= + 2(x)(4) + 
- 1
Using the algebraic identity,
=
Thus, in the form of - b.
Answer:
1/root(3)
Step-by-step explanation:
the steps are in the pic above.
I believe it's 36. The vertices have the same x coordinate so I found the difference between the y coordinates.
