What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Below rebus represent famous DiCaprio movie. Can you name it?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

I have teeth but i don't bite. Who Am I ?

What does below Rebus say?

XLR8

I shave every day, but my beard stays the same. What am I?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.