Find the 8 in the below-given Image.

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

You bought me for dinner but never eat me. What am I?

I have no life, but I can die. What am I?

What building has the most stories?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?