Answer:
Points C,D, E and F are coplanar.
Answer:

Step-by-step explanation:
In order to get the answer to this question you need to turn the scientific notations into standard form then subtract the two standard forms.

Turn the notations into standard form:




Turn into notation form:

Hope this helps.
Answer:
units
Step-by-step explanation:
The perimeter of a square is 4 times the length of one side.
The length of the sides of a square is given by the expression 
To find the perimeter, we multiply this expression by 4.

We expand to obtain:

This simplifies to:

Let the number = x
12 + x = 3x - 32
x = 3x - 44 Subtract 12 from both sides
-2x = -44 Subtract 3x from both sides
x = 22 Divide by -2
Answer:
it will be 8xy
Step-by-step explanation:
2x+6y=-6
2x+6y=8xy