Which statements are always true regarding the diagram?
select three options.
m25+ m23 = m_4
m23+ m24+ m25 = 180°
m25+ m26 =180°
m 2 + m23 = m_6
m 2 + m 3+
25 = 180°

How do you solving the solution of each system using elimination?

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters