If the 3 is supposed to be replaced by any x's, then the answer would be 29 I believe.
Answer:

Step-by-step explanation:
Here, the given expressions are:
A) 
Solving this, we get

⇒
B) 
Now, solving this, we get

⇒
C) 
Simplifying this, we get

⇒ 
Answer:
Step-by-step explanation:
Right rectangular prism
Solve for volume
V=whl
l Length
2
Width
Height
Step-by-step explanation:
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The ball will hit the ground when h(t)=0 so:
16t^2-96t=0
16t(t-6)=0, since t>0
t=6
So the ball with hit the ground after 6 seconds.