Answer:
z = 1
Step-by-step explanation:
Since this is an equation we can cross multiply the fractions
7/z = 84/12 ➡ 84×z = 7×12
84z = 84 divide both sides by 1
Answer: x = 12
i hope this helps
a+bi
$45.5 :) hope this helped!
480 and 320
I hope this helps you! I also had this question