Je besoin de faire ses 4 équations aider moi svp
4x+7=5 / 5x=10-3x / 7x-1=5x+9 / 2x+5=-x -4

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

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.