Somebody pls answer

write the first four terms of the function f(n)=n^2-1

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

You spin the spinner shown below once. each sector shown has an equal area. what is p(beaver ) p(beaver)? if necessary, round your answer to 2 2 decimal places.

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.