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

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

I’m tall when I’m young, and I’m short when I’m old. What am I?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

What does below chemistry rebus means?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

What is the next number in this matchsticks series riddle?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat