Dina discovered a water leak in her basement and called a plumber to fix and drain it. W(t)W(t)W, left parenthesis, t, right parenthesis models the amount of water in the basement (in liters) ttt hours since the leak began.

A25-inch wide drum is used in a marching band. what area does the top of the drum cover? round to the nearest hundredth. (use 3.14 for pi.)

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.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?