For Items 9-11, determine the length of each segment with the given endpoints.

9. C(1, 4) and D(11, 28)

10. Y(-2, 6) and Z(5, -8)

11. P(-7,-7) and Q(9,5)

Ef is a median of trapezoid abcd. the length of ab is 12, and the length of cd is 18. the length of bf is 4. what is the length of fc?

Lm is the midsegment of trapezoid abcd. if ab=46 and dc=125, what is lm?

Students at a local high school were asked to identify their favorite school subject. the percentages of students' favorite subjects are shownuse the drop-down menus to complete the sentences below.