No, it is the discriminant of a quadratic equation.
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4b - 3
If you want to write a:b as a fraction, make a the numerator and b the denominator. You get a/b.
A - B = -3n + 2 - (5n - 7) = -3n + 2 - 5n + 7 = 9 - 8n
that is the simplest form b/c u cant divide 19 in half and have it be in whole numbers. why do u rely on other people to figure that out for u? u will FAIL in math if u do that
Scientific notation is a way of representing numbers, usually very large or very small, in the form a*10^b where 1