Which is the bedt definition of a scalene triangle

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

What are the sotions to the quadratic equation 9x^2=4