Answer: x² + 2xy + y² = 9
x² + 2xy + y² = (x + y)²
with x = 2 + 3i and y =
, we have:

Step-by-step explanation:
Answer:
a=7, b=14
Step-by-step explanation:
a. 2/6=x/21
cross multiply=
2×21=x×6
then solve
42=6x
divide both sides by 6
x=42/6=<u>7</u>
b. 150/84=25/x
cross multiply=
84×25=150×x
then solve
2100=150x
divide both sides by 150
x=2100/150=<u>1</u><u>4</u>
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The answer is D) Marty gets ten dollars for his allowance and then spends ten dollars at the movies
because $10-$10=0
Answer:
(4,-2)
Step-by-step explanation:
y - 3x < - 4
-2-3(4) < -4
-2-12 <-4
-14 < - 4