50 points
urgent pls help
pls show work ​

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

Twelve less than a number is at most 20

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]