The circumference of a circle of radius r is given by the polynomial 2 pi r2πr, where piπ is an irrational number. for an approximation of piπ, use 3.14. find the circumference of a circle with radius 18 cm18 cm.

Create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path