I need this question done thanks

H. 40%

Step-by-step explanation:

18/30 = 60%

So 60% of kids have last names with more than 8 letters.

That means 40% of kids have last names with fewer than 8 letters.

(Because the percentages have to add up to 100)

Hope this helps! :)

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3

what is the answer to this