What is the value of \( \left(\frac{81}{256}\right)^{3 / 4} \)

Simplify. \( \sqrt[3]{72} \)

1. \( \frac{1}{3} \) of the teachers at Panther's Elementary wear glasses. \( \frac{3}{4} \) of the teachers who wear glasses are female. What fraction of the teachers at Panther's Elementary are females who wear glasses? \( \begin{array}{ll}\text { A } \frac{1}{2} & \text { B } \frac{1}{3} \\ \text { C } \frac{1}{4} & \text { D } \frac{1}{6}\end{array} \)

Express 4 3/8 as a decimal correct to 3 significant figures(A) 4.30 (B) 4.37 (C) 4.38 (D) 4.40

What is the first operation that you will perform when you evaluate this expression? \[ 27-4 \times 2-(2+1) \div 1 \]

Find the slope of the line containing the points \( P_{1} \) and \( P_{2} \). (If an answer is undefined, enter UNDEFINED.) \[ P_{1}(2,1), P_{2}(3,4) \]