All 9 supreme court justices shake hands. how many handshakes do they do?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

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