Answer:
C, D, F
Step-by-step explanation:
A: 4^2=8 16=8 False
B: 4^2+16=0 16+16=- 32=0 False
C: 2(4)^2=32 - 2*8=16 True 4 squared would equal 16 as well
D: -3(4)^2=-48 -3*16=-48 True Same reasoning as C for -4
E: 6(4)^2 +56=-40 96+56=-40 False
F: 27- 5(4)^2=-53 27-5*16=-53 - 27-80=-53 -53=-53 True 4 Same reasoning as C for -4
