0. Review of Algebra

Find the domain of each rational expression. 3 / (x² - 5x - 6)

Find the domain of each rational expression. x² - 1 / x + 1

Find the domain of each rational expression. x³ - 1 / x - 1

Multiply or divide, as indicated. 15p³/9p² * 12p/10p³

Perform all indicated operations, and write each answer with positive integer exponents. {x- 9y^-1}/{ (x-3y^-1)(x+3y^-1)}

Multiply or divide as indicated. 55.76 * 72