Question

I need help with this question ​

Answer 1

The answer is 1. Z=1

Answer 2

Answer:

The answer to the question provided is 1.

Step-by-step explanation:

☆Simply cross multiply.

$\frac{7}{z} = \frac{84}{12} \\ \\ \frac{84z}{84} = \frac{84}{84} \\ \\ z = 1$

Glad to help anytime!