I need for exam help me​

If lmn=xyz, which congruences are true by cpctc? check all that apply

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?

See attachment below and find the equivalent of tan(∠qsr)