Which sequences are arithmetic? Select three options.
A) –8.6, –5.0, –1.4, 2.2, 5.8, …
B) 2, –2.2, 2.42, –2.662, 2.9282, …
C) 5, 1, –3, –7, –11, … –3, 3, 9, 15, 21, …
D) –6.2, –3.1, –1.55, –0.775, –0.3875, …

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

What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?