3(r-6)+2=4(r+2)-21
3r-18+2=4r+8-21
3r-16=4r-13
-3=r
r=-3
This might be wrong but I got 120/1008
Answer:
its -0.4, are those rlly the options? if they are jus round up and do -1
Answer:

Step-by-step explanation:

Don't mind the 
Answer: 3
Step-by-step explanation:
By the intersecting chords theorem,