Agazebo is being built in the shape of a regular hexagon. one side of the hexagon measures 5 ft. how much wood must be purchased for the chair railing that will surround the gazebo?

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.