Please help with these questions and ill give! PLS HELP

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

(60 points) explain this in detail

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3