Answer:
V≈157.08
Step-by-step explanation:
I hope this helps
Answer:

Step-by-step explanation:

X^2 + 3x - 2 - (2x^2 - x + 6) =
x^2 + 3x - 2 - 2x^2 + x - 6 =
-x^2 + 4x - 8 <===
30 seconds for the whole length, so 1 min for 2 lengths meaning 2 • 10 = 20 lengths