What is the area of a rectangle as a product

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6