Answer:
4.25
Step-by-step explanation:
5-3/4=4.25
4
-12 - 10i
We are subtracting 3 + 2i from -9 - 8i. Rewrite the left side as -3 - 2i and then ADD this result to -9 - 8i:
-9 - 8i
-3 -2i
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15 installments
3900 = Σ 400 - 20*(n - 1)