PLS HELP!!! FOR 10 POINTS SHOW WORK PLEASE Tell whether the angles are adjacent or vertical. Then find the value of x

The angles are ? Angles
The value of x is ?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

The value of cos 30° is the same as which of the following?