step-by-step explanation: 4 cause 2+2=4
a is 8.b is 10.c is 10.5. d is -.5
step-by-step explanation:
just minus the smallest number from the biggest.
the answer is 21%.
(8+64)^2= 5184 < answer
2^3 = 8
4^3= 64
(8+64)^2 = 5184