What number divided by - 3 gives 12 as the result?

What is the area of the shaded sector?

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

Triangle abc has coordinates a(1,-1), b(0,2), and c(2,1) and it is reflected over the line y = x to form triangle a'b'c'. what are the coordinates of triangle a'b'c answer the question using complete