Sry y’all I know that I’m asking a lot lol..but ya please check my work

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.

Asap 25 pts brainliest to right best/answer

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)