Answer:
Supplementary Angles
Adjacent Angles
Step-by-step explanation:
Angles 1 and 2 share a vertex and form a straight line. These angles are called supplementary angles. They add to 180 degrees and form a straight line. They are adjacent as well because they share a vertex and side.
A) x-6; you have x amount of money and pay 6 dollars for a hat.
b) 2(x2);
Its D because vertical angles are right across from each other!