A scientist claims that the mean gestation period for a fox is more than 48.9 weeks. If a hypothesis test is performed that rejects the null hypothesis, how would this decision be interpreted?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm