Mario was studying right angles and wondered if during his math class the min and hour hands of the clock formed a right angle. if his class meets from 5 pm-5:40 pm, is the right angle formed?

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.