Economists say all resources are scarce because: a. there is a limited number of entrepreneurs. c. production is not equivalent to income. b. there are unlimited resources and limited wants and desires. d. there are limited resources and unlimited wants and demands.

The resource is limited to begin with

I would say

D)There are limited resources and unlimited wants and demands.

18

step-by-step explanation:

draw the shape and you will see that f and k are actually at adjacent vertices (points of the hexagon that are neighboring).   so find the distance between (1,2) and (4,2).   that is easy since (1,2) and (4,2) is just a vertical distance to count, which is 3.   it is a regular polygon which means all sides are congruent.   you have 6 sides (hexa) so multiply 6 by 3 to receive 18.