What is the binomial expansion of (x+2y)^7

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

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.