If a gas is known to have a pressure of 200 kPa after it has been heated to 65°C, what was the beginning Celsius temperature of the gas if its pressure
was originally 750 mm Hg?

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397