What is the perimeter of the triangle?
units

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i