Answer:
x= 4 or <
Step-by-step explanation:
Answer:
B plz mrk brainliest
Step-by-step explanation:
Answer:
72
Step-by-step explanation:
Multiply 72 by .75 and you get 54
Answer:
A
Step-by-step explanation:
dude trust me
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