Please help me out I know that supplimentary angles have to equal 180 but I have no idea how to solve for x since they didnt give us any angles

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.