(Help needed due soon) Mark each equation as true or false and explain or show how you determined your answer

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 statement justifies why angle ebc measures 90?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?