The average annual return from stock investments historically is: a) 11.3%
b) 12%
C) 12.5%
d) 20%

the correct answer is option d

explanation:

i was wrong its d because they dont use cm when calculating square roots

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation: