re Score: ctivities 10 ctivity 1 Spot the difference Given sets A and B. Set A Students who play the guitar Set B Students who play the piano Ethan Molina Chris Clemente Angela Dominguez Mayumi Torres Joanna Cruz Mayumi Torres Janis Reyes Chris Clemente Ethan Molina Nathan Santos hich of the following shows (a) union of sets A and B; and (b) intersection of