I hope this helps you
Keep your mom, you only have one. But anyway;
Use the Pythagorean Theorem: A^2 + B^2 = C^2
12^2 + 21^2 = C^2
144 + 441 = C^2
585 = C^2
square root of 585 = approximately 24.2
Answer:
6
Step-by-step explanation:
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the tip is $10.5 = $72.15= $70*.15+ $10.5
