Solution:

To(number 2) + Infinity(Symbol) + Beyond(B on D)
= To Infinity and beyond

Solution:

Pi(pi-symbol) + Rate (of acceleration)
= Pirate

Solution:

Two wrong dont make a right

Solution:

I am on cloud 9.

Solution:

Pandora's Box

Solution:

All around the houses

Solution:

Generation Gap

Solution:

Feeling on top of the World

Solution:

It is pointing towards the phrase - Fat Chance. It is quite evident with the fat letters.

Solution:

Rising Mercury / Temperature Is Rising