Answer:

Step-by-step explanation:
We must develop three equations in three unknowns.
I will use these three:



Answer:
-189
Step-by-step explanation:
If you continue the pattern by multiplying the term by -3, you will eventually get -189 as the 6th term
Answer:
[90]
Step-by-step explanation:
0=-16t^2 +64
0=-16(t^2 - 4)
0=-16(t-2)(t+2)
t=2 or - 2
It will take two seconds for the object to hit the ground.
I forget how to do this. I haven't done this in awhile.