Nov 16, 2:48:25 PM The midpoint of AB is M(7,-5). If the coordinates of A are (6, -7), what are the
coordinates of B?

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.