Which whole number property was used? 23 + 2 = 2 + 23
Commutative Property of Addition
Associative Property of Addition
Identity Property of Addition

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required

During how many months was the difference between the number of days with homework and with no homework greater than 6?

Place the indicated product in the proper location on the grid. -4x3y2(7xy4)