I cannot see the text. If you take another picture zoomed in I will answer it.
Answer:
n<2
Step-by-step explanation:
-2n+5>1
-2n>1-5
(-2n>-4)divide by -2
The smallest number that they can all be divided by
Answer:

Step-by-step explanation:
we have

where
W is the weight in pounds
x is the number of training cycles completed
For 
substitute the value of x in the function

Step-by-step explanation: What they mean is if you were to say put all that data onto a graph, any kind of graph. What graph would you chose, and why? How you would work through this kind of problem, or at least how I would approach it weight out the pros and cons of each graph, or put some data on different graphs and see what works best. On the contrary if you have a rough idea of how each graph would look like you would just chose the one you think conveys the information best. I think they're is a best answer, but no wrong answer, you can make an argument for most graphs if you try, so just chose the one you think is best, and write your reasoning.