A student selects marbles from a bag and gets another the bag has 5 green 4 black 2 blue find the probability of selecting a green marble on the first trial and a black marble on the second trial

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step-by-step explanation:

lele

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)

step-by-step explanation:

why? because i noticed a pattern. 60 120. those numbers without the zero, make the 6 times tables leaving your answer to be b since 6 times 4 is 24 and adding a zero making it 240.