"y is directly proportional to x and inversely proportional to the square of w"

Give the equation.

Which number line correctly shows 0.8 + 0.3?

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?

What are the solutions of the following system? y=-2x^2 y=x-2