L. C.M of 6,8 and 18, what is the answer

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.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list