QUESTION 1a.
We want to add

We group similar terms to get

Simplify:

QUESTION 1b.
The given function is:

Expand the parenthesis to obtain,

Group similar terms,

Simplify:

QUESTION 2
The given function is

The zeros of this function is given by;

Split the middle term.

Factor;




If the probability of the first sock is red and their are 10 socks in total (same with the second sock). they should both add up to 2/20 probability chance.
Convert 5 1/2 ro improper fraction so 10/2
3/8 + 10/2
Then convert 10/2 into 40/8 by multiplying bu four so they have the same denominator
3/8 + 40/8 =43/8
Answer is in a photo. I couldn't attach it here, but I uploaded it to a file hosting. link below! Good Luck!
bit.
ly/3a8Nt8n