The trunk of a palm tree has cylindrical tubes that carry water. Each tube is 0.0005 meters wide. How many tubes could fit in a palm tree trunk with a radius of 0.25 meters?

Which of these choices show a pair of equivalent expressions?

How many days was the temperature above 90 degrees?

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.