Answer:
25
Explanation:
Use the distance formula: x2-x1 squared + y2-y1 squared. then square root all of this. So, square root 9+15 squared + 4-11 squared. 9+15=24, 24 squared is 576. 4-11=-7, -7 squared is 49. 49+576=625. Square root of 625=25.
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