Using the Rational Root Theorem, what are all the rational roots of the polynomial f (x) = 20x^4+x^3+8x^2+x-12?

A) - 4/5 and 3/4

B) - 4/5 and - 3/4

C) - 1, - 4/5, 3/4 and 1

D) - 1, - 4/5, - 3/4 and 1

7 cm and the length of the larger square is 12 cm

Yesterday, a factory used 2/3 of a tub of peanut butter. They use 1/6 of a tub of peanut butter for each batch of peanut butter cookies. How many batches of peanut butter cookies did the factory make yesterday?

Suppose that each of two prisoners has the independent choice of confessing to a crime or not confessing to a crime they were both alleged to commit. If neither confesses, they spend 2 years in jail; if both confess, they spend 3 years in jail.

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