.help me please

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.

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles