A bucket contains 40 marbles: 20 green, 5 blue, 15 red. You randomly select a marble from the bucket, put it back, then choose another. Find the probability of selecting a green marble, then a blue. Please give an clear explanation!

i = 2 / - 5

step-by-step explanation:

evaluation of ( 2 - 4 ) ( p + q ) when p = 2 and q = 5 i, by putting values of p and q,                                                                    

answer: 298143

step-by-step explanation:

536

step-by-step explanation:

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8