When (2x-20)+86=0
2x-20=-86
2x=-46
x=-23
Answer:

Step-by-step explanation:
Let the side length of the square base =s feet
Let the height of the box = h
Given that the volume of the box = 
Volume of the box =
Then:

Surface Area of a Rectangular Prism =2(lb+bh+lh)
Since we have a square base, l=b=s feet
Therefore:
Surface Area of our closed box

Answer:
Step-by-step explanation:
-13 = 5(1+4m)-2m
-13=5+20m-2m
-13=5+18m
-13-5=18m
(-13-5)/18=m
Answer:
It depends on how much sun the place receives, how much it is shaded. temperature in the area. Do you have solar panels, electric heat, gas? All these factors determine utility cost.
Step-by-step explanation:
Sandy is boring. She should hit the ball towards the hole and hope she doesn't miss.