I need help. there are multiple answers. it says which modem can represent the expression ​

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

What is the slope of the line that contains the points (-2,1) and (0,-3)

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project