<span><span>(<span>5−<span>7i</span></span>)</span><span>(<span>6+<span>6i</span></span>)</span></span><span>
=<span>72−<span>12i
Hope I helped :)</span></span></span>
The Year "Great Depression" started in 1929. It ended 10 years after it started.
Good luck on your assignment!
- Emacathy
The Cold War was a period of 40 years which during, tension was extremely high between both nations.
B is the answer to your question
<span>waste and toxin cleanup
</span><span>labor-saving clones
</span><span>medical treatments</span>