It good to stop every 100 miles or every 2 hours to take a break
Answer:
B
Explanation:
a. each particle of matter vibrates about its normal rest position and along the axis of propagation,
b. Liquids
C. because liquids have the right amount of space between them for the wave to pass through quickly
Answer: I think it’s c
Explanation: I read and that’s what I came up with
x^3-12x^2-27x