If 4 pounds of sugar cost $2, the cost of 1 pound of sugar is

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.

Which graph of a hyperbola represents the equation 16x^2-y^2=16