Ineed with questions 3 and 4 with showing work and it’s very hard and i’m struggling with it and if you need to see the picture big then click on it and it will be big

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Select the sequences that are geometric.

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).