-7z^7(-19z^7) = (-7 x -19) x z^(7 + 7) = 133z^14
Answer: $ 38.69 ; There are 12 people in the crew
Answer:
The gas Oxygen supports combustion, so in the environment where there was no lid covering jar 4, it's sure to receive a lot of oxygen
It would be e, because it went down 10 instead of 5
