Evaluate 280/5

pleas.
i need help like no

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

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.