Which is the simplified rational expression for r2-4r+5/r-4

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Which graph represents the equation y =4x

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3