To find out what \( xz \) is, we first need to determine what \( z \) is based on the equation given:
\[ z = SKILL \cdot 2y? \]
Here, \( z \) seems to be some expression that multiplies a string (SKILL) with a variable \( 2y? \), but let's focus on the variables involved.
Next, to compute \( xz \):
\[ xz = x \cdot z = x \cdot (SKILL \cdot 2y?) \]
We need to analyze the options given and determine which one of them is equal to \( xz \):
(A) \( *y \)
(B) \( zy \)
(C) \( xy \)
(D) \( xyz \)
If we denote \( z \) simply as \( z \) in the choices, we can see how \( xz \) could be expressed.
Since we know \( z = SKILL \cdot 2y? \), we can now analyze the potential relationships to find an equivalent expression in the options provided.
Given that the equation \( xz \) should logically contain \( x \), and the simplest presentation that includes \( z \) directly in it, \( xyz \) is the option that seems most aligned with the expression \( xz \).
Therefore, the option that is equal to \( xz \) is:
(E) \( xyz \)
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