Answer:
t = [0.493,4.2]
Step-by-step explanation:
The height of the rocket straight up into the air is given by :

We need to find the interval the rocket be at least 43 feet above the ground.

So, the required interval during which the rocket is at least 43 feet above the ground is [0.493,4.2].
Answer:
8316
Step-by-step explanation:
multiply them all.
Just like counting imaginary dots on the #s
4+1=5
Taking a test doesn't lessen your risk of a heart attack
3 would be the volume hopes this is good