Picking a blue marble, a green marble, and another blue marble (replacing it in the bag each time) from a bag of 2 blues, 4 reds, and 4 greens this Probability of Compound Events in math

true? is that what you're asking or do you mean something else?

hey! so 1 (25) out of 4 (100) is 25 so your answer is 25%. it's like quarters!

the correct answer is $7.38

step-by-step explanation:

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a