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A. Write each set using roster notation or listing method
Y = {x/x is a distinct letter of the phrase "eleven plus two"}
→Y={
B = (x/x is a distinct letter of the phrase "twelve plus one"}
→B={
C = (x/x is a distinct letter of the phrase "nine plus four")
→C ={​


Sagot :

Answer:

Y= { e, l, v, n, p, u, s, t, w, o}

B= { t, w, E, l, v, p, U, S, O, n}

C= { n, i, e, p, l, U, S, f, O, r}