Your class of 23 is having a math contest. How many ways can we choose first, second third and fourth places in the contest.

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Charlie tosses five coins. what is the probability that all five coins will land tails up.

For the feasibility region shown below find the maximum value of the function p=3x+2y