Ateacher arranges students in a prayer hall in 13 rows and 19 columns. the arrangements are in a perfect array. find the number of students in a prayer hall

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

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.

For what value of (y) is 3^3/3^y =1/9