What does the below rebus riddle means?

By what process could you make a 'Tea-Table' into food?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

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

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.