Answer:
this is confusing. I'll try my best to sort it out for you. I'll tap in once I figure it out
From left to right it’s 1, 49, 9, 70
Answer:
6.5 seconds
Step-by-step explanation:
Keep in mind that when
, this is the same height for both when the model rocket takes off and lands, so when the rocket lands, time is positive. Thus:

So, the amount of seconds that the model rocket stayed above the ground since it left the platform is 6.5 seconds