Spot 5 differences in two Christmas tree below:

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

What is the word or phrase?

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

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

When does a USA Potato change its nationality?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

My location can be determined by the below rebus.
So where am i ?

The Little ant seems to be always confused. Do you know why?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?