Which of the following can you determine when you use deduction and start from a given set of rules and conditions

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line

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?

Will mark brainliest, , and rate to the best ! wait for pics