Your tire air pressure is decreasing at a constant rate so that the air pressure is a linear function of time. Initially there is 36 pounds per square inch of air pressure. Two hours later there is 26 pounds per square inch of air pressure. What is the slope of the linear function that is air pressure?

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%