You mean like the tricuspid and mitral (bicuspid) valves?
Answer:
23/16
Step-by-step explanation:
3*8/2*8=24/16-1/16=23/16
Answer:
2408.55 cubic yards
Step-by-step explanation:
use pi times radius squared times height, then divide by 3
Answer:
4x^4-2
Step-by-step explanation:

Hope this helps!
4+2i because you can’t have a negative square root