Ihave 7 lessons to do. i have 19 days to do them all. how many should i do every day? should i skip some days?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).