A rectangle and an equilateral triangle have the same Perimeter. The length of the rectangle is twice its width. Each side of the triangle is 45 m. Find the length of each side of the rectangle?

Factor a^3 - 3 + 3a^2 - a. a) (a - 1)(a + 1)(a + 3) b) (a^2 + 1)(a - 3) c) (a^2 - 3)(a + 1

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.