Solve for x y and z i need a lot of help

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.)

Two lines that do not intersect are skew. always sometimes or never

Is it greater than or less than7*3_9*2