Try plugging in 4,6, and -7 into the x's
Answer: 18/7
Step-by-step explanation: random.
Answer:3.14r^2
Step-by-step explanation:
if you are asking circumference then using circumference formula
circumference(c)=pi*r^2
=3.14r^2
I think its the second one but just a fyi the site your on is ready and it looks like your doing the major test, not every answer on it are you suppose to get right its a test to see what you know and what you need to know