If yards lost is plotted at A to the left of zero indicating a loss, then B will be plotted to the right by the same distance, so B+(-A)=B-A=0, because A and B have opposite values.
A
22-year-old male has a shard of glass impaled in his cheek. You look
inside his mouth and see minor bleeding. The patient is conscious and
alert with adequate breathing. You should:<span>- carefully stabilize the shard of glass and allow him to suction his own mouth.</span>
