The smallest angle of rotational symmetry for a regular polygon is 30°. How many sides does the regular polygon have? 9 12 20 30.

Find the solution set of this inequality. select the correct graph. |8x+16|> 16

The value of cos 30° is the same as which of the following?

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.