0. Review of Algebra

In Exercises 85–116, simplify each exponential expression.x³/x⁹

Simplify each radical. Assume all variables represent positive real numbers. ∜(x⁴ + y⁴)

Simplify each radical. Assume all variables represent positive real numbers. ∛(27 + a³)

In Exercises 85–116, simplify each exponential expression.20x³/-5x⁴

Simplify each radical. Assume all variables represent positive real numbers. ⁹√5³

Simplify each radical. Assume all variables represent positive real numbers. ⁶√11³

In Exercises 83–90, evaluate each expression without using a calculator. 16^(−6/2)

Simplify each radical. Assume all variables represent positive real numbers. ⁸√5⁴

In Exercises 75–92, rationalize each denominator. Simplify, if possible. 2√6 + √5--------------3√6 - √5

Simplify each radical. Assume all variables represent positive real numbers. ⁶√x¹⁸y²

Simplify each expression. Write answers without negative exponents. Assume all vari-ables represent positive real numbers. See Examples 8 and 9. (3^1/2)(3^3/2)

In Exercises 79–112, use rational exponents to simplify each expression. If rational exponents appear after simplifying, write the answer in radical notation. Assume that all variables represent positive numbers.____⁹√x⁶y³

Simplify each expression. Write answers without negative exponents. Assume all vari-ables represent positive real numbers. See Examples 8 and 9. (64^5/3)/(64^4/3)

Simplify each radical. Assume all variables represent positive real numbers. ⁹√∜7³

In Exercises 91–100, simplify using properties of exponents. (x^2/3)^3