Anybody here help me with this assignment?

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.

Tell whether the two rates form a proportion

Fast! find the length of cu. the triangles are similar. show your work.