Which transformation maps each triangle in the xy-coodinate plane to a congruent triangle? (x. y)-( )
(x. y)+(2x. žy)
(x, y) - (x. x+y)
(x, y) (-y +2.x+3)

Out of the 150 students at a summer camp, 72 signed up for canoeing. there were 23 students who signed up for trekking, and 13 of those students also signed up for canoeing. use a two-way table to organize the information and answer the following question: approximately what percentage of students signed up for neither canoeing nor trekking?