How do you set up the segment lengths in the formula for when two segments intersect inside a circle? Someone help me please!!! Im not really sure what this means can someone explain it to me I would really appreciate it I need to turn this assignment in today 4/8/21❤️

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)

Solve 2x − 1 = 11 for x using the change of base formula log base b of y equals log y over log b.