Sue and three friends rent mountain bikes and ride a trail for three hours. if the cost of the bike rental is 25 dollars per bike and the fee to use the trail is 4 dollars per hour per person, how much does the group pay in total for their time on the trail? a: 29 dollars b: 37 dollars c: 148 dollars d: 116 dollars

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

What situation is an example of an observational study

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.