Answer:
The volume of the pyramid is 
Step-by-step explanation:
we know that
The volume of the pyramid of the figure is equal to

we have

----> the height must be perpendicular to the base
substitute

Answer:x=8
Step-by-step explanation:
You have to subtract 12 to 4
So x=8
So 12/15 simplifies to 4/5, and if you multiply both sides by two you have 8/10 so i guess 2 ( and some extra )
Answer:
2x-7
Step-by-step explanation:
Answer: 2
Step-by-step explanation: