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answer: a and b

step-by-step explanation:

stop cheating

step-by-step explanation:

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

12 dolars one is cheaper becasue 3 pairs is 6 means is sock is 2 while the 12 is cheaper