Which equation represents the scentence.
six less than a number is half the number.

1. 6 - n = n/2
2. n - 6 = n/2
3. 6 - 2/n =n
4 2/n - 6 = n

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)