Given m||n, find the value of x.
(explain answer if u can) ASAP!!

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.)

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review