No, A+B is left as A+B AB would be A x B
i would suggest ,hm, getting a Bowflex ab machine.
4... if you plug it in, it works
If AC equals 6 and BD equals 4, then AB equals 5.
No. A times B = AB
yes because ab plus bc is ac
the midpoint of AB.
C minus B equals AB
x = ab x = 21*37 x = 777