-z2-z-19
Z=-7 what is the answer please

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.

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Describe the domain and range of y=2(3)^x-2+5