Which sprinkler system has the GREATEST rate of change? Conservation Automatic Sprinkler has the greatest rate of change at 2 gallons per minute. Earth Friendly Sprinkler has the greatest rate of change, at 2.5 gallons per minute. Conservation Automatic Sprinkler has the greatest rate of change at 1.125 gallons per minute. Earth Friendly Sprinkler has the greatest rate of change at 3 gallons per minute.

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Answer: d. 39 cmin the diagram, the approximate length of the minor arc de is 39 centimetres.step-by-step explanation: the formula for the length of an arc in a circle is as displayed below.let the length of the minor arc de = xx = 2( pi )r × angle of sector / 360°from this, we will substitute the values given from the problem into the formula to obtain the length of the minor arc de.x = 2( pi )r × angle of sector / 360°r = radius = 25cmpi as an approximate value = 3.14angle of sector = 120°x = 2( 3.14 )( 25 ) × 120° / 360°x = 157 × 1 / 4x = 39.25x = 39 ( rounded to the nearest whole number as an approximate value )