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Why peasants in asia still use ox for farming ? A circle has a radius of 5
ft . Find the length s of the arc intercepted by a central angle of 157
° .? What is the link between vitamin d and the minerals calcium and phosphorus? The area of a new park in the shape of a square is 10x^2+7x-12. What is the length of the side of the park? I know how to convert it to the chair and flipped chair, show work on how to calculate for the (delta G kj/mol) for A and B.?