How many 4"×8" bricks will it take to cover a 12×12 area

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.

Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. what could you find the answer?