What is the slope of (1,5),(2,8)

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.

Could somebody me with this radical simplification?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?