The product of e and 4 divided by 12

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

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

Simplify using positive exponents only.