Which multiplication equation is false? a. (-a) * (-1) = (-a)
b. l-a) *0=0
c. l-a) *1 = (-a)
d. (-a) * b=b* (-a)

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.