Volume answer rn djdjd

What could explain what happened when the time was equal to 120 minutes

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.