1. Se quiere cubrir una superficie rectangu- lar de 5 m 10 m con adoquines hexa-
gonales de 15 cm de lado y 13 cm de
apotema.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

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?

X+ y = 5 ; x - y =3 solve using linear combination