What word is represented by this rebus?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

Through your logical capabilities, can you make 7 an even?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Can you make four (4) nines (9) equal 100?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?