A roulette wheel has 38 slots, of which 18 are red, 18 are black, and 2 are green. In each round of the game, a ball is tossed in the spinning wheel and lands in a random slot.

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google

2(2x + 3) = -4 + 2(2x + 5)

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 6

4x - 6 + 6 = 4x - 6 + 6

4x = 4x

x = x

unlimited solutions.

idk

step-by-step explanation:

payback

where is the graph? need more info