Use the venn diagram below to answer the following questions

a ( 2 and 4 ) middle ( 1 and 7 ) b ( 5 and 6 )
what are the elements of a u b?
what are the elements of a b?
what are the elements of (a b)’ ?

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.