18. B 20. D
13. B 15. B 16. D 18. C 20. A Are those correct?
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35 ml of a sample are obtained from a crime scene where the ratio of blood to water is 7:3. how much of the sample was blood?
the maximum volume if Ziploc sandwich is 0.5 L at the pressure of 1 atm. use the gas law, calculate the pressure in the bag from the above volume of co2.
A given distribution has a mean of 60. A score of 75 had a corresponding z of +2.00. The standard deviation is
If you bought 24 cards for $50, one card is $1 each and he other card is $5. Write an equation and solve.