Explain and solve page, solve and explain for 56 points, : d plz me : )hll my test is tomorrow and i need to know this!

True or false? a circle could be circumscribed about the quadrilateral below.

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

The table below shows the angle measurements for triangle abc and triangle xyz. if triangle abc is similar to triangle xyz, what does angle z equal, in degrees?