Answer:
Step-by-step explanation:
Add all the beads together to get your total amount of beads (This will be your denominator)
1+2+2+1=6 beads in total
You only want to focus on the amount of green beads. (Which is 2 and that will be you numerator)

In place of x you keep 6 and in place of y you keep -2
the third fifth and first
Answer:
The volume is 
Step-by-step explanation:
From the question ,
and 
The volume of a pyramid is given as

From the question, the base of the pyramid is a square.
Hence base area is given by 
This implies that the volume of the pyramid is



