Please help me quick

Identify the parent function that can be used to graph the function f(x)= (1/4x)^3

List the sides of δrst in in ascending order (shortest to longest) if: a ∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.