Answer:
The correct answer, again, is A; Z = -0.6
If this is supposed to be

Then this can simply be reduced to

by the double angle formula for cosine
<span>10 milliliters (ml) =1 centiliter (cl)1 milliliter =1 cubic centimeter1 liter =1000 cubic centimeters100 centiliter =1 liter (L) = 1,000 milliliters<span>1000 liters =<span>1 kiloliter (km)
</span></span></span>
cubic decimeter<span> ?</span>