What kind of sequence is this? –165, –180, –195, –210

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.

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent