Calculate the length of the given art. Write your answer in terms of pi

Asap 25 pts + brainlest to right/best answer

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.