Apply the commutative property to 13 x 7 x 21 to rearrange the terms and still get the same solution.
a. 13 + 7 + 21
b. (13 x 7) x 21
c. 12 x (7 x 21)
d. 21 x 7 x 13

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

Question 9 of 10 2 points suppose your sat score is 1770. you look up the average sat scores for students admitted to your preferred colleges and find the list of scores below. based on your sat score of 1770, which average score below represents the college that would be your best option? o a. 1790 o b. 2130 o c. 2210 od. 1350

What is the mean of the data set 125, 141, 213, 155, 281