7
step-by-step explanation:
the answer is b.
identity property is where 0+whatever number=whatever number. basically 0+ a number.
12
12 + 5 = 17
12x2=24
24-7=17
(8+64)^2= 5184 < answer
2^3 = 8
4^3= 64
(8+64)^2 = 5184