Adding Integers with Integer Tiles For addition, drag tiles onto the board.

To form a group, place one tile on top of another.

Use the integer tiles to find the sum of 4 and -5.

9

-9

Board sum: 1+1

Tile moved to a new location

Reset

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?

Hundred and tens tables to make 430 in five different ways