A. m24 = m_2
b. m24 = m_1 + m_2
c. m24 = 180 - m23
d. m24 = m_1 + m 22 + m23
e m24 = m23 + m21

B and C

Step-by-step explanation:

The inside angles of triangles always equals 180 degrees. Angle 3 and 4 are supplementary since the two put together make a straight line.

Angle one and two added together is technically right. Using the information above, you wouldn't have to subtract angle three from 180 since angle three is already taken away from the 180

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step-by-step explanation:

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