Find the common difference of the arithmetic sequence 20,18,16,...

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.

What is the difference between regular convex and concave polygons

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package