When adding 193 + 564 the sum of 90 is called a?

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.

Find the values of the variables in the kite

What is the mean of the data set 125, 141, 213, 155, 281