A theater hall has n rows of seats. The first row has 25 seats, the second row has 33 seats, and the third row has 41 seats if the same pattern continues, which expression represents the number of seats in the nth row of the theater hall?

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

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.

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min