What is 8/9 times 212

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

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