Answer:
x=-5
Step-by-step explanation:
Add 22x to both sides: -8x+100=140
Subtract 100 from both sides: -8x=40
Divide both sides by -8: x=-5
So the answer is x=-5
radius= diameter/2= 10/2
*radius=5
circumference= diameter*pi=10*3.14
*circumference=31.4
Step-by-step explanation: hope this helps
C
Answer: The answer would be 3 & 1