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To test the null hypothesis that the diet has no effect on weight, the p-value for a paired one-tail test is:? What is [1/cos(x)-sin(x) times tan(x)]/cosĀ²(x)? What is the product of 2 x the sum of 36,46,52,43, and 48? If an object with a mass of 35 grams has a volume of 70cm cubed and its length is 40cm, what is the density of the object? A topographic map is located between the 60 and 80 meter contour lines, what is the range of possible elevations from lowest to highest?