Answer:
12
Step-by-step explanation:
Answer: B) one
This one point is point U since it is on line segment CD. In contrast, a point like point E is not on line CD, so E is not collinear with C and D.
Step-by-step explanation:

I would choose the answer D
Answer:
w = 0.215
Step-by-step explanation:
(8.25 + 1) / 4w = 10.75
9.25/4w = 10.75
9.25/4w(4w) = 10.75(4w)
9.25 = 43w
9.25/43 = w
w = 0.215