If eleven plus two equals one, what does nine plus five equal?

Find the missing number in the image below.

10+10 and 11+11 can give you the same answer.

Explain how?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

What is the word or phrase?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?