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Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?
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Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.
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Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.
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Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.
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How to solve -7+2x = -6x -71...
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