An initially empty cylindrical tank with a diameter of 19 m is being filled with oil at a steady rate of 13.6 cubic meters per second. simultaneously, oil is also being drained from the tank at a constant rate of 4.2 cubic meters per second. how fast is the fluid level in the tank changing, in centimeters per second, after 7 seconds have passed?

Can someone me with 1 to 4 plz. fast

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.