Let $$ w=-1, y=3, z=5 $$ 13. $$ \frac{3 z+5}{w z}=\square $$ 14. $$ \frac{6 w}{y}+\frac{z}{w}=\square $$

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**13. Evaluate $$ \frac{3z+5}{wz} $$:**

1. Substitute $$ z = 5 $$:
   $$
   3z + 5 = 3(5) + 5 = 15 + 5 = 20
   $$
2. Substitute $$ w = -1 $$ and $$ z = 5 $$ in the denominator:
   $$
   wz = (-1)(5) = -5
   $$
3. Compute the fraction:
   $$
   \frac{20}{-5} = -4
   $$

Thus, the answer is $$-4$$.

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**14. Evaluate $$ \frac{6w}{y}+\frac{z}{w} $$:**

1. Substitute $$ w = -1 $$ and $$ y = 3 $$ in the first term:
   $$
   \frac{6w}{y} = \frac{6(-1)}{3} = \frac{-6}{3} = -2
   $$
2. Substitute $$ z = 5 $$ and $$ w = -1 $$ in the second term:
   $$
   \frac{z}{w} = \frac{5}{-1} = -5
   $$
3. Sum the two results:
   $$
   -2 + (-5) = -7
   $$

Thus, the answer is $$-7$$.
13. $$ \frac{3z+5}{wz} = -4 $$ 14. $$ \frac{6w}{y} + \frac{z}{w} = -7 $$

Let \( w=-1, y=3, z=5 \) 13. \( \frac{3 z+5}{w z}=\square \) 14. \( \frac{6 w}{y}+\frac{z}{w}=\square \)

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