Find ST. Help me solve please and thank you

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.

Do you mind if you guys me with this question i’m on number 8

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.