The next two numbers in the series, 32000, 8000, 2000, 500 are

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Someone me what is the area of this figure? 18m 18m 8m 16m

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)