Answer:

Step-by-step explanation:
Given
See attachment for graph
Required
The unit cost
Pick any point on the dots of the graph; we have:

The unit cost is then calculated as:


Y-y
——-
X-x
21-9=12
5-(-1) =6
So the answer is D
Answer:
<h2>m arc WZY = 222°</h2>
Step-by-step explanation:
Look at the picture.
m∠WOY = 2(m∠WZY)
We have m∠WZY = 69°. Therefore m∠WOY = 2(69°) = 138°.
m arc WZY = 360° - 138° = 222°
Answer:
d
Step-by-step explanation: