To find circumference u multiply the radius or diameter by 3.14 to find radius u divide the diameter by 2
The answer for question 4 is C and the answer for question 5 is D.
First you should combine the various numbers that are the same all the (-2) , all the + numbers so it with come down to 4 (-6) squared +17 then you should be able to figure out your answer from there?
Would be C as he talkes of the law at the last step as something people could accept or deny it
