What does does this rebus picture means ?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Buy me, smell me or deliver me, I do not change.

Who am I?

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

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?

What is always in front of you but can’t be seen?

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

Which English verb becomes past tense just by rearranging the letters?