1 + 2 + (-5) + 4

A . -6
B . -5
C . 0
D . 2
E . 4
F . 12

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.

Ineed with math stuff it involves graphs

Rationalize the denominator- 12x/√x-10