15 pigs are entered in the "Best Pig" competition at the county fair. The judges will award very special pigs with blue, red, and white ribbons. In how
many different ways can these ribbons be awarded to 3 of the 15 pigs?
A. 455
B. 3375
C. 45
D. 2730

The mean average cost of standard room per night at a hostel is ? 20.60. therefore, how much does a standard room cost per night at night-time rest days?

Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.71 with a standard deviation of $0.10. using chebyshev's theorem, what is the minimum percentage of stores that sell a gallon of milk for between $3.41 and $4.01? round your answer to one decimal place.

At the movie theatre, child admission is $5.20 and adult admission is $9.70. on sunday three time as many adult tickets as child tickets were sold, for a total sales of $788.90. how many child tickets were sold that day?