I need help with this and explain how to do it please!!
6x - 4z

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.

An isosceles trapezoid was broken into a rectangle and two triangles. what are the base and height of one of the triangles?