Kari plans to sample 20 people of a population that contains 100 students. she wants to determine how many people wake up before 6 a. m. which sample is the most random?

Measures of the angle of r, 31 s (x+4) t (3x+9)

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.

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense