Probably feet or meters depending on where he is. I would go with feet
QUESTION 1
The given function is

We simplify to get;

This function is equal to zero when 

QUESTION 2
The given function is
We factor to get;
This function equals zero when


QUESTION 3
The given function is

We factor to get,


The function equals zero when 



Hence the equation has no real roots.
The complex roots are
or 
Answer:
Here is the answer
Step-by-step explanation:
36 = 3x2x3x2
8 = 2x2x2
42 = 7x3x2
30 divided by 10 and youll get it into each hope that helped