Find the complex cube roots of 8(cos(4pi/5) + isin(4pi/5))

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Which is f(5) for the function –2x2 + 2x - 3?

If a is a nonzero real number then the reciprocal of a is