I need help .the 2/25 is the one I don't need help with the 2 top ones I do need help with

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.

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

15 points what is the end behavior of this graph? & what is the asymptote of this graph?