Answer:
There are 26 tiles in the bag.
To spell the word DOT, we have to select 3 tiles from the bag.
This can be done in
26C3 ways.
Out of this, the word DOT can be correctly spelled in only 1 way.
Hence, the Prob.
=1 / 26C3
This relation is a function, because you are assigning one y-value to each x-value. In other words, you can perform the vertical line test: you can see that every vertical line crosses the graph at most once.
it provided a way for his army to escape westward in the event of a Korean invasion of the North China Plain