write an equation in slope intercept form given slope and point for following (9,-4) slope 2/3 please hel

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase

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?