All else being equal, a study with which of the following errors ranges would be the most reliable? Topic- Evaluating Published Reports Math 3

Is the square root of 4 plus the square root of 16 rational?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship