Write an inequality to model the situation. A number exceeds 21.
n ≤ 21
n < 21
n > 21
n ≥ 21

Step-by-step explanation:

The number exceeds 21 or is greater than 21.

‘’ represents greater than.

Let the number be .

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.

-6 is the correct option from the above given options