What is the scale factor in the dilation show below?

Which ratio is equivalent to 10: 85

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.)

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)