What is the value of the rational expression below when x is equal to 6? x-2/x-5
a. 3
b. 2/5
c. 8
d. 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

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.