Explain what it means fir a transformation to be a rigid motion

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

The trigonometric ratios sine and secant are reciprocals of each other

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?