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Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

How do u write a function for the reflection across the y axis

Calculate the mean value (expected value) of the following discrete variable x (10 points): x = 0, 1, 2, 3, 4, 5, 6 p(x) = 0.2, 0.2, 0.15, 0.15, 0.15, 0.1, 0.05