Oakland has an elevation of 1,639 feet above sea level lake enriquilos elevation is 149 feet below sea level what difference in
1 answer:
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Answer:
13
Step-by-step explanation:
<em>1. Distribute each term in the first binomial to each term in the second binomial,</em> <em>FOIL (first, outer, inner, last)</em>
(3 - 2i) (3 + 2i)
9 + 6i - 6i -
<em>2. Simplify </em>
9 -
<em>3. Solve for i. </em> = -1
9 - 4 (-1)
9 + 4 = 13
hope this helps!
