Answer:
8 edges
Step-b-step explanation:
VA, VB, VC, VD
AB, BC, CD, DA
8
Step-by-step explanation:
32 books each
x=1/4 y=1/4
They mean x-coordinate and y-coordinate
Answer: a=1,b=1
b
3
y/x=12/9=4/3
when y is 4 x is 3