How to solve 5 -(2(x-4)/-1)

-3 - 2x  

Step-by-step explanation:

5 -(2(x-4)/-1)

= 5 - ( 2x - 8 / -1 )            Solve the inside parenthesis

= 5 - ( 2x + 8 )                 Distribute the negative sign

= 5 -2x - 8                       Combine like terms

= -3 - 2x                                

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.