What is the probability that a random five-card hand has (a) exactly one pair (no three of a kind or two pairs)? comment on the answers (a) 13 × c(4, 2) × c(48, 3)/c(52, 5), (b) 13 × c(4, 2) × 48 × 44 × 40/c(52, 5), and (c) (52 × 3 × 48 × 44 × 40)/ (52 × 51 × 50 × 49 × 48).

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

Will give the box plots below show the math scores of students in two different classes: class a 55 72 75 89 95 class b 55 70 75 94 100 based on the box plots, which statement is correct? a: the median score of class a is greater than the median score of class b. b: the lower quartile of class a is greater than the lower quartile of class b. c: the upper quartile of class a is greater than the upper quartile of class b. d: the maximum score of class a is greater than the maximum score of class b.