Which expression is equivalent to -3 (2m- 1) -n

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

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.

If you could answer these your a life saver