Помогите решить первую часть по Огэ математике

Volume of a cylinder with a radius of 13 in and height of 30 in

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.

Which graph represents the parent function of y=(x+2)(x-2)