Which of the following choices is the standard deviation of the sample shown
here?
19, 20, 21, 22, 23

Α. 2.5
Β. 21
C.2
D. square root 2
Ε.Square root 2.5

Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

How does reflecting or rotating a figure change the interior angles of the figure?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.