-7 2/3 or -23 / 3
Hope this helped :)
Um, this doesn't make any sense. By climbing a hill, you are decreasing your momentum and kinetic energy, so it slows you down. The only positive, is after you have climbed the hill, you have more potential energy, and it will be released once you go down the hill, but you will not be as fast as if you ignored the hill.
Answer:
C
Explanation:
this is because i need more space
Hertz Pitch and frequency