A conical container of radius 7 ft and height 28 ft is filled to a height of 25 ft of a liquid weighing 60.6 lb divided by ft cubed. How much work will it take to pump the contents to the rim? How much work will it take to pump the liquid to a level of 3 ft above the cone's rim?

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Solve the system of equations. y= 2x y= x^2 - 15

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 (%)