Hi I need help with my Khan academy homework whats the answer to X

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

What are two numbers that have a sum of 15?