Use mathematical induction to prove that for each integer n > 4,5" > 2^2n+1 + 100.

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?