Which physical method can be used for obtaining a sample of salt from a small beaker of salt water?
boiling
freezing
chromatography
sorting

The radius of a circle is given as 10cm subject to an error of 0.2cm. the error in the area of the circle is? compare tropical rainforests and mangroves in theiradaptations to environment Can someone help me please show that 7 1/2 - 4 2/3 = 2 5/6 steve can run 3.5 miles in 30 minutes. if he increases his rate by 1/2 mile per hour, how far will he run in 2 hours? Alden Corp. has the following balances as of December 31, 2019:Total Assets $90,000Total Liabilities 60,000Total Equity 30,000Calculate the debt to equity ratio. A. 0.64.B. 0.92.C. 1.56.D. 256. The mean monthly car payment for 123 residents of the local apartment complex is $624. What is the best point estimate for the mean monthly car payment for all residents of the local apartment complex? which of these shapes are parallelograms choose all correct answers Fill in the blank with a number to make the expression a perfect square. A doctor prescribes 500 milligrams of a therapeutic drug that decays by about 19% each hour.a) To the nearest minute, what is the half-life of the drug? b)Write an exponential model representing the amount of the drug remaining in the patient'ssystem after t hours. (2 points)c)Use your formula to find the amount of drug that would remain in the patient's system after 24hours. Round your answer to the nearest hundredth of a gram. (2 points) When 75.5 grams of phosphorus pentachloride react with an excess of water, as shown in the unbalanced chemical equation below, how many moles of hydrochloric acid will be produced? Please show all your work for the calculations for full credit. PCl5 + H2O --> H3PO4 + HC A positive kaon (K+) has a rest mass of 494 MeV/c , whereas a proton has a rest mass of 938 MeV/c. If a kaon has a total energy that is equal to the proton rest energy, the speed of the kaon is most nearly:___________. A. 0.25c B. 0.40cC. 0.55c D. 0.70c E. 0.85c ABC Company has the following authorized stock: Common stock: 1.00 par value, 100,000 shares On 1/11/15, ABC Company issued 10,000 shares of common stock for $5 per share (cash). How much cash does the company receive At 95% confidence, how large a sample should be taken to obtain a margin of error of 0.05 for the estimation of a population proportion What nicknames do Junior`s classmates give him? Read the following paragraph and then answer the question that follows:Video games can kill! That is what many who support legislation banning violent titles from underage players have stated. These supporters of video game reform cite studies that show increased statistics of violence among children who play games regularly at home. Opponents of this reform, however, have expressed doubts about the validity of the studies, requesting that further research be done before a dramatic statement is made about all gamers. It seems that the rising popularity of video games among youth has spiked a political debate that may last for several more years to come.Which sentence from this paragraph is an example of the support?A) These supporters of video game reform cite studies that show increased statistics of violence among children who play games regularly at home.B) That is what many who support legislation banning violent titles from underage players have stated.C) Video games can kill!D) It seems that the rising popularity of video games among youth has spiked a political debate that may last for several more years to come. Can somebody please help me!! What is a non-civic issue? In "Life Without Go Go Boots, what evidence does Kingsolver use to support her claim that her profession justifies her fashion choices in the eyes of society?A) So many have so little.B) Artists make very little money. C) Style trumps fashion.D) Artists have more important things to think about. whats 1/2 + 2/4 - 5/8?