In how many ways can a class of nineteen students be divided into 3 sets so that 4 students are in the first set, 6 students are in the second set and nine students are in the third set?

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

Which of the following describes the symmetry of the graph of y = x3?