please help, this is the last thing I need to do before I submit it, there are 3 screenshots +2 extra memes that are actually funny XD

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.

Write a story that matches with the expression 42x-5 pls hurry

Find the solution of this system of equation -7x+y=-20 9x-3y=36