using four eights (8) and a one (1) and one mathematical symbol , create the number 100

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

Find the next number in the series below

21 32 54 87 131 ?

Find the missing number in the image below.

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

Can you move 2 matchsticks to form four equal sized squares.

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Solve the equation in the image by looking at the pattern closely.