How many solutions are there to the following system of equations?
2x+5y=-11
10x+25y=-55
a. infinitely many
b. 0
c. 2
d. 1

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Which is the scale factor proportion for the enlargement shown?

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?