The number of cubic feet of water y in a reservoir x hours after the water starts flowing into the reservoir i a linear function. The points (40,3000) and (60,4000) are on the line of the function.

Which system of linear inequalities is represented by the graph?

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)