Translate this phrase into an algebraic expression. The sum of 9 and twice Mai's savings
Use the variable m to represent Mai's savings.
Help me pleasee

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.)

How can you tell when x and y are not directly proportional?

Which equation represents h for right triangle abc