Rachel has a $25 balance on an Apple gift card that can be used to purchase apps. Each app download costs $3. Rachel wants to maintain a $10 balance to pay for the next few months of Apple Music. How many apps can Rachel purchase?

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)