Help me please!! (POOFS)

First one

1. Given

2. Corresponding Angles

3. Corresponding Angles have equal measures

4. Linear Pair Definition

5. Linear Pair Theorem

6. Definition of Supplementary Angles

7. Substitution using (3)

8. Definition of Supplementary Angles

Second one

1. Definition of an Exterior Angle

2. Definition of a Linear Pair

3. Linear Pair Theorem

4. Definition of Supplementary Angles

5.  m<1 + m<2 + m<3 = 180°

6. Substitution Property of Equality using (4) and (5)

7. m<1 + m<2 = m<4             Subtraction Property of Equality using (6)