Which equation represents the graph below??? Plsss help

Chose the graph below that represents the following system of inequality’s

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width