When 99 is considered higher than 100?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

I add 5 to 9 and get 2. The answer is correct, so what am I?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

How many triangles can you count in the figure given?

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

How high do you have to count before you use the letter “a” in the English spelling of the whole number?