Answer:
x = 6.5
Step-by-step explanation:
By property of intersecting secants outside of circle.

Should be a scale factor of y= 1/9
Answer:
r = 15
Step-by-step explanation:
I don't really have an explanation, I'm just good at quick math,
I'm sorry if you wanted an explanation, I would explain but I am really bad at explaining math.
Answer:
16q + 32r
Step-by-step explanation: