Can you guys check my answers?

6. what is the circumference of the given circle in terms of pi? ( the radius is 14)
14pi (my guess)
28pi
42pi
196pi

7. what is the area of the given circle in terms of pi? (the diameter is 9.6)
92.16pi
72.38pi
46.08pi
23.04pi (my guess)

8. what is the area of the sector with the central area of 210° and a diameter of 4.6m? round the answer to the nearest tenth.
4.2m squared
9.7m squared (my guess)
14.5m squared
38.8m squared

if you have the rest of the answers can you tell me them

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?

Can someone me immediately, this is due by midnight! if you can't see the question, i'll text it to you. show the steps you took to get your answer.