If three slugs have six eye-stalks then two slugs will have (blank) eye-stalks

In the diagram of circle a what is m

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 expression is equivalent to the expression shown?