Complete the reasons for the proof.
Given:
m 23 = m 24
To Prove:
21, 22 are supplementary
2/3
STATEMENT
REASON
1 m23 m 2 4
1
given
2
Z2, Z3 are supplementary
sides in
rays
3. m
Ν
2
+ m 2 3 = 180°
3. Definition of
Igles
22+ m 2 4 - 180
4.
Substitution
5. m 21-m24
3.
Opposite
22 + m 2 1 - 180°
6.
7. 21, 22 are supplementary
7.
Definition of
angles

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

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