The expressions that are equivalent to (−13)2+34+44−−−−−−√3 are:
(-1/3)^2 + 3/4 + 4/4
(-1/3)^2 + 3/4 + 2/2
(-1/3)^2 + 1 + 2
(-1/3)^2 + 1 + 4/2
(-1/3)^2 + 2 + 4/2
These expressions are equivalent because they all evaluate to the same value, which is 1.