Mr. McAtee

As the rope will break when T > 3500 N (we presume) that's the maximum resistance force that can be pulled. But, this is important, that force F = k W comes from a combination of the coefficient of sliding friction, k, and the weight W of the rubber block...

dependent in the first one would be choosing a cookie at random and eating it and then choosing another. By eating that first cookie, you changed the probability of getting a second cookie.

And if you give us what you think is correct we will check them for you.

In order to find the axis of symmetry, you need to set the equation up for graphing in the form (x−h)2=y−k