12. There are 70 children in the town of Smallville, all of whom plan to dress up for a party are two activities for the party night, a dance and a costume contest. if 30 children went both dancing and to the contest, and 24 children went only dancing, how many total children participated in the contest? How many went only to the contest? a. 16 b. 46 c. 43 d. 36 13. A group of 30 students decides to go on a field trip to the zoo. There are two main exhibits open for visitation, the aviary and the mountain lion habitat. Eight students visit the aviary, six of which also visit the mountain lion habitat. How many students visit only the aviary? b. 8 d. 22 14. A group of 100 aliono arrive on Starship 2000 to invade your planet. These altens are characterized by two distinct features, their eyes and their tails. Some aliens have eyes but no a. 6 C. 2 sha​