How would you solve this? (2^-2/3^3) PLEASE EXPLAIN

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

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.