What is the sum of 11.11 km and 22.2 km using the correct number of significant digits?

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?

What is the product? a-3/15a × 5/a-3

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3