Segment AD has coordinates at A(-9,5) and D(8, 7). Find the length of AD. Round to the nearest whole number.

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

When turned about its axis of rotation, which shape could have created this three-dimensional object?

What is the area of a rectangle with vertices (-8,-2), (-3,-2), (-3,-6), and (-8,-6)? units