What is the length of AD? GEOMETRY

There will be 7 people at a party. if each person will eat 5/8 of a pound of chicken, how many pounds of chicken are needed?

Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb

How do you do the foil method with polynomials?