Ok so do you mean 18 x 3 b3cause you could always do 3(6 x 1)
Distance formula is like pythagoren ahtoerem
D=

the distance between oints (x1,y1) and (x2,y2) is
D=

(2,8) and (7,5)
D=

D=

D=

D=

apxos
D=5.8309....
round
D=5.8 units
Answer: X can not be 11 or higher, so that means this problem will be 10 or lower. There for the value of X=6
Step-by-step explanation: