Answer:
45 cubic units
Step-by-step explanation:
Vtotal = 1/2 (2.5*3) * 6 *2
where
2.5 is the base
3 is the height
6 is the length
2 is the number of prisms
You add 2x and 7x to get 9x
so the answer is 9x+5y
I’m not sure sorry also it past due
The value of new will be 8. Hope I'd help you out there.