What property is 2x + 6= 3

What values of data might affect the statistical measures of spread and center

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u