if c= the number of cars in a parking lot which algebaraic expression represents the phrase below the number of cars increased by 9

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.

This is about circle theorems. someone asap : (

If a is a nonzero real number then the reciprocal of a is