How do u solve 4(y-3)+9-3y

Which of the following is true for the relation f(x)=2x^2+1

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Graph the equationy= x+3[tex]y = x + 3[/tex]