HELP DUE IN 1 HOUR PLEASE!

Answer:
12.04
Step-by-step explanation:
Pythagorean theorem
The y value difference is 9
The x value difference is 8
a² + b² = c²
9² + 8² = c²
81 + 64 = c²
145 = c²
c = √145
c ≈ 12.04
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-Chetan K