Answer:
random
Step-by-step explanation:
each has a random, equal chance of being selected
Answer:
13
Step-by-step explanation:
A real number that cannot be expressed as a ratio of integers.
I believe it's the first option. Hope this helps.
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:

