Help me find the answer to this 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.

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?