How do you find the measure of angle yxz?

90 Degrees

Step-by-step explanation:

The find the measure of that angle, find the measure of it's intercepted arc, which is already given as 180. When you find the measure of the intercepted arc, to find the measure of the angle/ divide the measure of the intercepted arc by 2, since the angle is on the circle and boom you get 90 degrees

option: d is correct

step-by-step explanation:

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative