Please tell me if this is right please

What is the slope of the line shown below?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.