55 points
Which of the following choices is the standard deviation of the sample shown
here?
19, 20, 21, 22, 23
O A. 22.5
B. 21
C. 2
D. 2.5
O E. 2

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

The table showed price paid per concert ticket on a popular online auction site. what was the average price paid per ticket

Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle