How can i assess the accuracy of my line of best fit?

"how does lena finally defeat the robots? ” this question will best be used to describe the story’s exposition. rising action. climax. falling action.

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false