which expressions are equivalent to -6z+(-5.5)+3.5z+5y-2.5 check all that apply
1) -8 +5y + 2.5z
2) -2.5z + 5y - 8
3) -8 +5y+(-2.5)
4) 2.5y + (-2.5z) - 5.5
5) 5y - 8 - 2.5z