Rex is searching for bread and discovers that he has 40 buns for
every 10 cubes of cheese. if he has 80 buns, how many cubes of
cheese does he have?

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is

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?