F(x)=6x^2-x^2+x-5 and g(x)=0 find (f*g)(x) and (g*f)(x)

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.

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers