A gym member tracked his weight. In the first week he gained 2 pounds. In the second week, he lost 5. In the third week, he lost 2 more. What was his overall change in weight?

What two consecutive odd integers have a sum of -28

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?