Select all true statements about a feasible region

it is the region in which the solution(s) may occur
it is always bounded
it is defined by the inequalities of the system
it always has a maximum and a minimum

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

Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7

Use the distributive property -7(-2x+u-2)