Hong bought 60 CDs that were each the same price. Including sales tax, he paid a total of $100.80. Of that total, $6.60 was tax. What was the price of each CD before tax?

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

If you answer 2+2 you will get over 80 points

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)