What is the value of the discriminant for the equation 3a^2-8a-4=0?

Find the actual dimensions of the box. the side length are in meters and integers. the surface area of the box is 104 m2 and volume of the box is 60 m3.

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?