Answer:
C. O.5s
Step-by-step explanation:
If the wave length is 100m and it goes at a speed of 200m/s then it will only take 0.5 seconds because 100 is half of the speed of 200
Answer:
y = 4x - 9
Step-by-step explanation:
Same slope, so they're parallel
If only this was in english then i would be able to understand and possibly help you. right now i don’t understand spanish