- Please can any one solve this problem !?

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You dilute 3.82 mL of a concentrated 12.0 M HBr solution to a total volume of 150 mL. What is the concentration of the dilute solution? C= 0.95, รณ = 7.8, E = 1 N = Assume that a preliminary sample has at least 30 members. Find the minimum sample size? Is (7,5), (7,-4),(7,0) is this given relation also a function? Why is the integral of (3+cos x) the same as the integral of (3)? In a triangle the side a possesses 60 degrees tel side b 70 and b: 20 how much the other sides measure?