Write to explain-lucy danced for an hour, practicing ballet, jazz, and tap. she practiced twice as long on jazz as tap. she practiced ballet as many minute as tap . explain whether you have enough information to find the number of minutes she practiced tap. if so, write a number sentence

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)