Given the following sets: A = {1,2,3,4,5,6,7}, B = {2,4,7,9, 10}, C={1,3,5,7,9}, U = {1,2,3,4,5,6,7,8,9,10,11,12}

Find the following sets:

a) (∪) ∩

b) ∩

c) ∪

d) | X | e) |B X A|

I think of a number and multiply it by 4. I then add 8 and I'm left with an answer of 30. What number did I think of? Form and solve an equation to find the number.

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D=rt when r=35 mi/h and t = 2 h

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