Top surface of a raised platform is in the shape of regular octagon as shown in the figure. Find the area of octagonal surface.

Write 17/20 as a decimal and as a percent.

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?

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance