Need help on 6th grade edge really need help worth my grade also i have more questoins so pls help

Using the paced decision making model select the best tires for ray show your work

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]