Triangle abc is an equilateral triangle with side lengths labeled a, b, and c. triangle a b c is an equilateral triangle. the length of side a b is c, the length of b c is a, and the length of a c is b. trigonometric area formula: area = one-half a b sine (c) which expressions represent the area of triangle abc? select three options. a c sine (60 degrees) one-half b c sine (60 degrees) one-half a squared sine (60 degrees) startfraction a squared b sine (60 degrees) over 2 endfraction startfraction a b sine (60 degrees) over 2 endfraction

hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

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the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

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