Susan made 4 uniform annual deposits of $1800 in a savings account that earned an interest rate of 10% per year. her last deposit was made 7 years ago. what is the future value of her savings 13 years from now, if she leaves the account untouched?

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)