Apackage of 12 cakes costs $6.80. a package of 30 cakes of the same type costs $15.16. which package is the best buy? give the unit cost of the best buy to the nearest cent.

Let r = 3. what is the value of r + 58?

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

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?