Answer:
t = 8.69 s
Step-by-step explanation:
The height h of the rocket in feet above the surface of the lake can be modeled by :

Let we need to find the time to reach the ground. When it reach the ground, h = 0

We need to find the value of t.
t = 8.69 s and -2.45 s
Neglecting negative value,
t = 8.69 s
Hence, it will take 8.69 s to reach the ground.
Answer:
(sqrt(x) +1)(sqrt(x)-2)
Step-by-step explanation:

Answer:
8 cubic meters squared.
Step-by-step explanation:
2*4=8
8/2=4
Since they're the same... You would multiply the product by two.
4*2=8
Answer:
-7/10 + 7 2/3 = 209/ 30 = 6 29/ 30 ≅ 6.9666667
Hope This Helps!!!
I am bad at Common Core (I was good before, but not anymore) so I am saying none of the above