Find the hidden tiger in the given optical illusion ?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

Find the value of "?" in the ball picture Riddle below:

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

What is common among 11, 69, and 88?

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?