We know that AC=8x-20 and B is the mid-point of AC
⇒ AB = BC = 
⇒ BC =
⇒ BC = 4x-10
I would say 5 pounds for $12.95
Hope this helps!
the surface area of the prism is
.
<u>Step-by-step explanation:</u>
Here we have , A right rectangular prism has a length of 15 millimeters, width of 3 millimeters, and height of 4 millimeters. We need to find What is the surface area of the prism . Let's find out:
We know that surface area of the prism =
. According to question we have following parameters as :

Putting these values to find area of prism we get:
⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
Therefore , the surface area of the prism is
.



- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
I hope that helps you out!!
Any more questions, please feel free to ask me and I will gladly help you out!!
~Zoey
Step-by-step explanation:
1/2(4-14y)=y+50
1/(8 - 28y) = y + 50
8y - 400 - 28y² +
Now you can solve