9/81 is equivalent to which fraction

Me find the measure to side c and the process to solve the problem you appreciate it : )

How far is x from 5 on a number line?

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.