Suppose f is a linear function such that f(2)=7. If the slope of f is 2.9, then what is f(3)?

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

In each diagram, line p is parallel to line f, and line t intersects lines p and f. based on the diagram, what is the value of x? ( provide explanation)