Which set of ordered pairs is a function? A. {(2,-2), (5,9), (5,-7), (1,4)}

B. {(3,4), (4, -3), (7,4), (3,8)}

C. {(9,5), (10,5), (9, -5), (10, -5)}

D. {6, -5), (7, -3), (8, -1), (9,1)}

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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 (%).

If you eat 4 medium strawberries, you get 48% of your daily recommenced amount of vitamin c. what fraction of your daily amount of vitamin c do you still need?