Which of the following is an arithmetic sequence? 1/2, -1/2, 1/2, -1/2 ... 12, 4, 4/3, 16/3 ... 1/2, -1/2, -3/2, -5/2 ... 2, 4, 8, 16, ...

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

i have no clue what you just said. write a question in english?

a

step-by-step explanation:

the denominator cannot be the same as one of the factors.

8 denominator times 2 denominator = 16

and 7 numerator time 11 = 77

77/16= 77/16 ( they cannot be further simplified)