It would be web plato because thats how it is, i think.
<em>The question is not clearly readable, but I'm assuming the expression which makes more sense, so you can have a clue</em>
Answer:

Step-by-step explanation:
<u>Powers of The Imaginary Unit</u>
The imaginary unit i is defined as
The first powers of i are





And so on the cycle repeats every four numbers. To find the value of
we can find the remainder of 96/4=0. So 
The given expression is

Factoring

Since 

The required value is 0
Answer:
y=4x-9
Step-by-step explanation:
add 4x to both sides to isolate y
Answer:
math stinks im sorry use math papa algabraic calculator
Step-by-step explanation:
Answer:
6x-21
Step-by-step explanation:
1) draw diagram (in image)
BD=2x-21+4x
combine Like terms
6x-21