Answer:
Is there even an answer to this?
Step-by-step explanation:
I don't know what's happening, but thanks for free points. :)))
part 1 : explaining how to get the coordinates of B
part 2 : the gradient of BD
Let U={a,b,c,d,e,f,g,h}
A={a,c,d}
B={b,c,d}
C={b,e,f,g,h}
Just convert the number to the third digit and the answer will be b
15:23
step-by-step explanation: