The ratio of money in brian's wallet to colin's wallet one day was 7: 2. brian spent £39 that day. brian now had £4 less than colin. how much did colin initially have?

Avegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide. find the total area of the vegetable garden and path

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?

Aline that intersects one of two parallel lines intersects the other also always sometimes never