Do you believe that the us should convert to the metric system explain why or why not

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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.

The sum of two numbers is 86, and their difference is 20. find the two numbers