We need the exponents law

So if
a=3
b=1/2
then

where x represent every half a year.
Answer:
Is 3(b+c) equivalent expressions?
A. True
Answer:
t = 5 seconds
Step-by-step explanation:
It is given that, the height h, in feet of a ball above the ground is given by :

Where t is in seconds
We need to find how long does it take the ball to hit the ground? When it hits the ground, its height will be equal to 0. So,

Neglecting negative time.
It means ball will take 5 seconds to hit the ground.
Step-by-step explanation:
ima ask a question is that time4learning.com if so what chapter is that bc im on the same thang and if you want to we can work together on it