-4 - (-36) = -4 + 36 = 32 units
Hello here is a solution :
<span> the radius of the circle is OA A(5;-12) and O (0;0)
OA= </span><span> square root ((5-0)² + (-12-0)²)
</span> = <span> square root (25+144)
</span> = <span> square root(169)
</span> OA = 13
1/4 hour = 75 gallons
1 hour = 75 x 4 = 300 gallons
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Answer: The rate is 300 gallons/hour
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