Question

Please help.
Is Algebra.

Answer 1

The answer to this is 2.

Answer 2

2

Explanation:

`( {4y}^(?) )^(3) = 64 {y}^(6) \\ \\ ( {4y}^(?) )^(3) = ( {4y}^(2) )^(3) \\ \\ {4y}^(?) ={4y}^(2) \\ \\ {y}^(?) ={y}^(2) \\ \\ ? = 2`