Select from the drop-down menu to correctly identify the property shown.(−5.2+ (−8.4)) + (−2.8) = −(5.2 + 8.4) + (−2.8)associative propertycommutative propertyopposite of sum property

Opposite of sum property

I took the test

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