Data Set: 4, 7, 9, 11, 14, 15 What is the upper quartile (Q3) of this data set? (only type one number as your answer)

Which expression is not a polynomial?

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis