Write the statement below as a biconditional. "a water molecule is composed of exactly 2 hydrogen and 1 oxygen atom" A)if a molecule is water, then it is composed of exactly 2 hydrofens and 1 oxygen atom.
B)a molecule is water if and only if it is not composed exactly 2 hydrogen and 1 oxygen atom.
C)a molecule is not water if and only if it is not composed of exactly 2 hydrogen and 1 oxygen atom.
D)a molecule is water if and only if it is not composed of exactly 2 hydrogen and 1 oxygen atom.

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 (%).

The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2