Adime is about 1 mm thick. how many dimes are in a stack 1 cm high

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.

Ineed with math stuff it involves graphs

Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?