- Is (4,2) a solution to the system y−x=2 and −3x−2y=−8?

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Based on the molarity of your acid, and assuming that it s density is 1.01 g/mL, calculate the mass percent of acetic acid. M=.5035? If measure of angle A = 60 and AB = 5, then BC = ? Do you know by memory how many feet a mile has? Two red blood cells each have a mass of 9.05*10^-14 kg and carry a negative charge spread uniformly over their surfaces.? Is zebra the capital of Africa?