In a search engine, 40,000 searches are done every minute. How many searches are done in an hour?
write your answer in standard index form

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k