7th grade math help me 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.

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Given the median qr and trapezoid mnpo what is the value of x?