If the sin of an angle is 4/7, what is the cosin of its complement?

In what organelle does photosynthesis take place?

10x − 5y + 14 = 0 whats the answer pls

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes. she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?