Hi there! There are no numbers listed, therefore I'm unable to do answer your question. Are there numbers included in the problem?
Answer:
B
Step-by-step explanation:
Answer:
<h2>x = 60</h2>
Step-by-step explanation:
I hope it helps :)

C.) -1.
Explanation: 4 + -5 = -1. When you have a negative number plus a positive you subtract. Then take the highest numbers positive or negative symbol. Hope that helps.
What does perpendicular mean? Well, in elementary geometry it mean 2 lines that intersect at a right angle. (90°).
So for Part one. all you need to do is draw a straight line down from the point X. Name the end point of that line M.
Now you will connect the line M and Z.
Thats it! I hope this helped!! :)