In a single elimination tournament half of the remaining teams are eliminated in each round. if the tournament starts eith 128 teams how many teams will be after 5 rounds

Which of the following are accepted without proof in a logical system? check all that apply.

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Which of the following is the result of expanding the series