13. if m_a = 42°, then m b = ? and mzc = ? .
14. if m_b = 78°, then m_a = ? and mc = ? .
15. if mza = 17°, then m b = ? and m c = ?
16. if m b = 45°, then mła = ? and mzc = ?

idn

step-by-step explanation:

step-by-step explanation:

when the line is solid:

when the line is dashed:

this > inequality sign means:

this < inequality sign means:

this > inequality sign means:

this < inequality sign means:

about the problem:

srry i'm not done ! i'll

80x^8−68x^6+16^5−20x^4−4x^3+8x^2

hope i'm right lol