What is the surface Area of the Pyramid

Which statement is always true? a negative exponent cannot be part of an expression's numerator. a negative base raised to the power of 2 has a negative value. a negative base raised to the power of 2 has a positive value. any number to the first power is zero.

Find the power series expantion of f(z)=log(4=3z) at the point z=-1

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !