1. Which relation is not a function? A (7,3), (7,6), (7,9), (7, 12), (7, 15)
B (-4, 6), (0,6), (7,6), (4,6), (-7,6)
C (4, 1), (8,2), (12,3), (16,4), (20,4)
D (1,3), (3,5), (5,7), (7, 9), (9, 1)

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

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

Find the zeros of each function. f(x) = 6x^2 - 7x - 20