Which phrases can be represented by the algebraic expression 2x + 1? check all that apply. a) two times a number plus 1 b) a number plus 2 c) twice a number and one d) a number plus two e) two more than a number and one f) twice the product of a number added to 1 g) the sum of a number and one

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15