Which ratios are equal to each other?

A.
1 : 16 and 2 : 8
B.
2 : 32 and 4 : 8
C.
1 : 64 and 4 : 16
D.
1 : 16 and 4 : 64

Once you get the answer can you tell me how you got it

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is: