15. MP(5,11) S(3,5) M(x,y)
(3+x)/2 = 5 x=7
(5+y)/2 =-11 y=-27
M(7,-27) is the other point
What problem i dont see nun
Nineteen million, two hundred sixty-six thousand, four hundred twenty! :)
D because the submarine started at sea level and ended 400 meters BELOW sea level.
