Who were the main contributors to the cell theory and what work did they do?

If we are working in a coordinate plane where the endpoints has the coordinates (x1,y1) and (x2,y2) then the midpoint coordinates is found by using the following formula:

midpoint=(x1+x22,y1+y22)

you need to have a picture of the atom that way we can answer it

answer7,570,82356 cubic centimeters;