Kal is decorating the ouside edge of a square bulletin board. He needs to know the side length of the board. The area of the board is n square feet. Which shows the side length, in feet, of the bulletin board?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Need on this geometry question. explain how you did it.