The formula for volume of a PRISM is V=(area of the base) x (height of prism).

This prism is a composite figure with 2 prisms combined. 

Find the volume of each prism separately then add the volumes together. 

(3 points)

To find the volume of each prism separately, we need to calculate the area of the base and the height of each prism.

Let's assume the first prism has a base area of 10 square units and a height of 5 units.

Volume of first prism:
V1 = (area of the base) x (height)
V1 = 10 x 5
V1 = 50 cubic units

Now, let's assume the second prism has a base area of 15 square units and a height of 8 units.

Volume of second prism:
V2 = (area of the base) x (height)
V2 = 15 x 8
V2 = 120 cubic units

To find the total volume of the composite figure, we add the volumes of both prisms together:

Total volume = V1 + V2
Total volume = 50 + 120
Total volume = 170 cubic units

Therefore, the total volume of the composite figure made up of two prisms is 170 cubic units.