HELLLP

Consider the expansion of (x + 2)11. (a) Write down the number of terms in this expansion. (b) Find the term containing x2.

expand [e+1/e]^4 in terms of e. express [e+1/e]^4 + [e-1/e]^4 as the sum of three terms. please help

I NEED A GOOD GRADE ON THIS TO PASS Which term best describes the style of Gregorian chant? A. a capella B. polyphonic C. cantus firmus D. imitative What did Arnold Schoenberg, Anton Webern, and Alban Berg call themselves? A. the First Viennese School B....