Evaluate the geometric series. Round to the nearest hundredth. Please help me!!!

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.

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4