Problem

The operations \diamond and \bigtriangleup are defined as follows:
  • xy=x(y8)x \diamond y = x(y-8)
  • xy=3y+2x \bigtriangleup y = 3y+2
Find 6(22)-6 \diamond (2 \bigtriangleup 2).
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i
Do 4 problems