10+10+(-3) what does the -3 represent

Identify the graph of y = ln x + 1.

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.

If angle 2=3x +1 and angle 3=2x +4what is angle 2