Consider the function f given by f(x, y, z) = xz. find the average value of the function f over the region f in the first octant bounded by the coordinate planes and the parabolic cylinders z = 25 − x2 and y = 25 − x2.

On friday, there were x students at the baseball game. on monday, there were half as many students at the game as there were on friday. on wednesday, there were 32 fewer students at the game as there were on friday. which expression could represent the total number of tickets sold for all 3 games?