Figure abcd is transformed to figure a′b′c′d′: which angle in figure a′b′c′d′ is equal to angle dab.? angle d prime a prime b prime. angle a prime b prime c prime. angle b prime c prime d prime. angle c prime d prime a prime.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?