Tell me a equivalent ratio for 5/45

Derricks dog sitting and darlene's dog sitting are competing for new business. the companies ran the ads shown.which dog sitting service is more economic to use if you need 5 hours of service? explain.

What values of c and d make the equation true?

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x