The distance from the origin to the point (−15,20) is

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

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?

Find the solution on the interval [0, 2pi)