A circular piece of paper of radius 20 cm is cut in hal and each half is made into a hollow cone by joining the straight edges. Find the slant height and base radius of each cone .​

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?

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?

Select all of the following expressions that are equal to 2.5.