Which of the objects shown below could be sliced to create a circular cross-section?
cone, sphere, cylinder, cube, triangular prism(equilateral base), right pyramid(square base)
choose all answers that apply.

Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.71 with a standard deviation of $0.10. using chebyshev's theorem, what is the minimum percentage of stores that sell a gallon of milk for between $3.41 and $4.01? round your answer to one decimal place.