Evaluate the following without using a calculator. $\operatorname{arcsec}(\sec \pi)$

Evaluate the given expression without using a calculator. $\sec 3 \pi$

Simplify the expression without using a calculator. $\log _{1 / 4} 16$

Simplify the expression without using a calculator. $\ln e^{x^{2}+1}$

Simplify without using a calculator: $\frac{7 !}{5 ! \times 2 !}$

Evaluate the expression without using a calculator. $\arccos (\sqrt{2} / 2)$

Evaluate the expression without using a calculator. $(\sqrt[3]{8})^{2}$

Evaluate the expression without using a calculator.

$$(\sqrt[3]{8})^5$$

Evaluate each expression without using a calculator. $\log _ { 9 } 81$

Simplify the expression without using a calculator. $\log _{6} 6^{7}$

Evaluate the given expression without using a calculator. $\sin 5 \pi$

Find each sum without using a number line. - 31 + 16 = _____

Find the value of the expression without using a calculator. $\log _{4} 16$

Evaluate the given expression without using a calculator.

$$64^{3 / 2}$$