Determine whether each statement is true or false. If false, correct the right side of the equation. 5^-2 = 1/5²

Perform the indicated operation, and write each answer in lowest terms. 2x/5 ∙ 10/x²

Perform the indicated operation, and write each answer in lowest terms. y³/8 ÷ y/4

Perform the indicated operation, and write each answer in lowest terms. (4/x-y) - (9/x-y)

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

Find the domain of each rational expression. (2x - 4) / (x + 7)

Find the domain of each rational expression. (3x + 7) / (4x + 2)(x - 12)

Find the domain of each rational expression. 12/ (x² + 5x + 6)