Answer:
Step-by-step explanation:
(combine like terms)
Hope this helps :)
I think the correct answer would be A. The standard deviation is used than the variance because the units of variance are squared units. It does not say anything or is meaningless while standard deviation has the same units as the mean which is a measure of central tendency.
Answer:
the answer is 32 square inches
Explanation:
Divide the shape into a rectangle and a square
Area of the rectangle = 20 square inches
Are of the square = 12 square inches
Add both the areas
= 20 square inches + 12 Square inches
= 32 square inches
