Mark partially drained his pool to clean it. at 1: 00 p. m., he started to refill it. at 5: 00 p. m., the pool had 10,400 gallons of water. at 9: 00 p. m., the pool had 13,800 gallons of water. if filling the pool is modeled by a linear function, how many gallons of water still remained in the pool when he first started to refill it?

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

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The half-life of a certain material is 0.004 second. approximately how much of a 20-gram sample will be left after 0.016 second? a. 5 grams b. 16 grams c. 0.32 gram d. 1.25 grams