Add. (2x4+x3−4x2+3)+(4x4−2x3−x2+10x+2) express the answer in standard form. enter your answer in the box.

Out of the 180 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? 72% 40% 54% 98%