Answer:
n = 73
Step-by-step explanation:
8² = x ==> x = 64
x + 12 = y ==> y = 64 + 12 = 76
y – 3 = n ==> n = 76 – 3 = 73
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Triangle EFH
Triangle FEH
Triangle FHE
sorry getting points
It's a geometric sequence.
The formula of a general term of a geometric sequence:
Substitute