Drag the numbers to the boxes on the right to match each expression on the left with its numeric equivalent. -12
-4
4
12
9 + (-5)
-8-4
8-(-4)
-9 + 5

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.