Which of the following best describes the relationship between the variables on the scatter plot? A: linear and non-linear association

B: non-linear association

C: linear association

D: no association

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.)

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2