Whats the answer? well the length of the arc

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 expression will have the same sum as 3_8 + 1/4?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way