Angle Puzzles

This is what kind of angle?

Vertical angles are always

Which angle is a vertical angle to with \angle7 ?

If the following parallel lines are cut by a transversal, would 
$$\angle2$$  and  $$\angle6$$   be corresponding?

Given the two parallel lines cute by a transversal,

What is the measure of  $$\angle5$$  ?

(a)  

Given the two parallel lines cut by a transversal,

What is the measure of $$\angle4$$  if  $$m\angle8=76\degree$$  ?

(a)  

and $$\angle2$$  are ___.  

Given the following two parallel lines cut by a transversal. Which pair of angles represents alternate interior angles?

Given the following two parallel lines that have been cut by a transversal. True or False, $$\angle6$$  and $$\angle4$$  are vertical angles?

Given the following two parallel lines that have been cut by a transversal. Choose all the options that represent corresponding angles.