Let p: x < -3
Let q: x > 3
What is represented by p v q?

What is the rescursive formula for this geometric sequence? 7, -14, 28, -56

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 do you use the elimination method for this question? explain, because i really want to understand!