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U r missing the union n intersection symbols

question no 2 answer is 15

1.A
2 {72, 84, 89, 90}
3B
4D
5C

thats the answers

sorry about that the answer is 4

thankss alott ur a life saver

i wrote {72, 84, 89, 90} because there are 4 elements so the answer is 4

CAN U HELP ME SOME MORE

okay

didn't you just do that

yeah but it said i got a 2/10? which equals to a 20%

the answer for q 2 wiill nevr b 4 it will b 15 bcoz in questn it is asked to find union

1.{−2, −1, 2, 4, 6, 7, 8, 10, 11, 12}
2.{2,4}
3.{−2, −1, 1, 3, 4, 7, 12}
4.4
5.{3, 6, 9, 12}

i ment 2 is 4,15