Asingle one celled organism divides into two identical cells every 30 minutes. if 6 of these organisms are present in a sample now, how many will be present after 60 minutes(assuming none of them die)?

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.