Sofia read 12 books in 2 months. If she reads at a constant rate, how many books did she read each month? Give your answer as a whole number or a FRACTION in simplest form.

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

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