Gail is thinking of a number n, and she wants her sister to guess the number. her first clue is that nine less than two times her number is between negative seven and one. write a compound inequality that shows the range of numbers that gail might be thinking of.

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.