Respuesta :

Answer:

See below

Step-by-step explanation:

A) B intersection C = {6,12}     <===== the elements common to both

B)  B union C   = { 2 3 4 6 8 9 10 12 )   <== all the elements from both

C )    { }    { 6}   { 12 }   { 6,12}     <===== Four

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