Answer:

Step-by-step explanation:
Given
See attachment for number line
Required
Determine the model
From the attachment, we can see that each partition is 1/3
The gray rectangle covers 11 partitions.
So:


Express as a mixed number

The black rectangle covers 8 partitions
So:


Express as a mixed number

So, the model is:

Where Total is the point where the black rectangle stops

Answer:
the answer is option B. angle S.
when naming an angle we place the vertex of the angle in the middle. here the angle is RST. But that option is unavailable. very often when there are no other angles interfering with the parent angle, we represent it using one letter that is the mid letter, the vertex. here in this case it is S.
Answer:
the answer is 5.5 thank me later