Answer:
x=7
Step-by-step explanation:
4x+12=40
-12
4x=28/4
Answer:
x is undefined
Step-by-step explanation:
2 + 6(x - 4) = 3x - 18 + 3x
Open the bracket
2 + 6x - 24 = 3x - 18 + 3x
collect the like terms
6x -3x - 3x = -18 +24 - 2
0x = 4
x = 4/0
x is undefined
For this case we have that the volume of the figure is composed of the volume of a prism and the volume of a pyramid:
The volume of the prism is given by:

Where:
: It is the area of the base
h: It's the height
Substituting:
The volume of the pyramid is given by:

Where:
It is the area of the base
h: It's the height
Substituting:

We add and we have:

ANswer:
Option D
Answer:

Step-by-step explanation:
I am assuming that you mean (4,−9) and (8, -3).

Hope this helps.