Answer:

<h3>28 is the right answer.</h3>
Answer:

Step-by-step explanation:
you can divide both sides by 2.35 to get the right side to be 1:

Answer:
1, x = 80
2, z = 5.6
3, w = 18
Step-by-step explanation:
X=121
.......... ... . ......
<span>(2 + 5i)(2 + i)
= 4 + 10i + 2i + 5i^2
= 4 + 12i + 5i^2</span>