Sum of positive 3 negative -2 and negative-5

-4

Step-by-step explanation:

I went ahead and just added it to get that answer however if you need it subtracted from one another the answer is 10

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3+(-2) +(-5)

3 -2 -5= - 4

adding a negative is the same as subtracting a positive.

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