Answer 6-9 for 12 points

here ya go

Step-by-step explanation:

-5 + -4 = -9

17 - 6 = 11

(negatives cancel out) -13 + 5 = -8

(negs cancel out again) -6 + 3 = -3

your answer would be b

step-by-step explanation:

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