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What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.