Which long division problem can be used to prove the formula for factoring the difference of two perfect cubes? a-b long division a^2 +ab+b^2
a+b long division a2-ab+b2
a+b long division a3+0a2b+0ab+b3
a-b long division a3+0a2b-b3

What is the slope of the line (-7,2) (4,6)

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )

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?