Answer:
Error: 1 −4.5 + 4.2 + 5.6 + (−7.3) Additive inverse
Step-by-step explanation:
Correction: no need to subtract from one

Answer:
Step-by-step explanation:
I'm not sure I know what the paper ball situation is, but I can tell you that especially when working with a set formula in physics, math or chemistry (I'd include biology if I knew any biology) that it is a good idea to write down your givens.
The equation you are given is going to fall apart once you know what your givens are and what they do.
I just looked up the Paper Ball Situation. This is a wonderful piece of physics. It immediately opened up all sorts of treasures once they experimenters thought of using tin foil. Givens are a necessity in such an experiment.
Answer:
c the answer is c
Step-by-step explanation: