Manuel wants to buy a window shade to cover the window and frame shown. The window is in the shape of a regular octagon.
The radius of the window, including the frame, is 2 ft, and the measure of each edge of the octagonal frame is 1.52 ft.

What is the approximate area of the window that needs to be covered, including the frame?
2 ft2
7 ft2
11.2 ft2
22.5 ft2

Analyze the data sets below. data set a 25,25,25,26,26,26,27,28,28,29,30,31,31,32,33,33,34,35,35,35 data set b 25,25,25,26,26,26,26,27,27,27,27,28,28,29,29,30,31,31,32,34 which of the following statement are true? select all that apply. a. data set a is relatively symmetric and data set b is skewed left. b.the means of the data sets are within 3 units from eachother. c.the data sets have the same standard deviation. d.the mean of data set a is 27.95 and the mean of data set b is 30. e. the data set b has a higher standard deviation than data set a. f. the mean and median of data set a are close in value.

Find the vertex of the function given below y=x^2-6x+1

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?