The cost to purchase a song from iTunes is $0.99 per song. To purchase a song from Spotify, you must be a member. The Spotify membership fee is $10. In addition, each purchased song costs $0.89. How many songs must be purchased for the monthly price of Spotify to be the same as iTunes? I just need a quick answer pls:)

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)