Which of the following is an arithmetic sequence?

An arithmetic sequence is a sequence (list of numbers) that has a common difference (a positive or negative constant) between the consecutive terms. Here are some examples of arithmetic sequences: 1.) 7, 14, 21, 28 because Common difference is 7.

Step-by-step explanation:

You didn't have any options to pick from, so i was unable to pick the following

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