Attached you can find the answer to your question.
What you have to do is:
1. Draw 8 lines between 1 inch and 4 inches.
2. Create a line plot (count how many times each length occurs)
3. Congratulations! That's it!
Hope it is clear!
B because 17000 divided by 52 is $326.92
-7x+6y-6x is simplified to be -13x+6y.
+ is positive, or plus
- is negative, or minus
the third one is multiply, can look like * and "x"
the fourth one is divide, can look like "/"
hope this helps