When using the binomial formula, which of the following is a correct step in the expansion of (x+y)^4

The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?

Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed

Examine this system of equations. what integer should the second equation be multiplied by so that when the two equations are added together, the x term is eliminated? 3/4x+1/7y=6 1/8x-3/5y=16