4) Cindy works part-time and earns $5.75 an hour. One week she worked
2 answers:
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Hi!
1.)
a:A u B=
(The same elements are written once.)
b:A u C
c:B u C
Note:I used dots to mean commas .
Good work!
Hi!
1.)
a:A u B=
(The same elements are written once.)
b:A u C
c:B u C
Note:I used dots to mean commas .
Good work!