Answer:
The correct answer would be B
Step-by-step explanation:
3b²+ 4b² + 4b + 2b + 1 +2
7b² + 6b + 3
86
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5.66 units
base: 8-4 = 4
rise: -3-(-)7 = 4
4^2+4^2 = d^2
d^2 = 32
d=5.66 units