P²- 4p - 32 = 0 solve by filling the square

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.)

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?