Determine each Theoretical probability using a visual model. Show your thinking. a) Spinning 2 times and getting a total of more than 30
b) Spinning 2 times and not getting a difference less than 20

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.

What is the answer to this problem? ignore the work. what is the correct answer?