According to one study, an average payout for slots machines is 81 cents on each dollar. What is the percent return on every dollar spent playing slots.​

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Would greatly appreciate these 3 answers

4. bob solved the inequality problem below incorrectly. explain his error and redo the problem showing the correct answer. ? 2x + 5 < 17 ? 2x + 5-5 < 17-5 -2x/-2 < 12/-2 x < -6