Help me with 41-46 determine if it’s linear or non-linear

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

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)