Which of the following is the equation of a line that would be perpendicular to the line whose equation is y=2x-5? A. y=-2x+4
B. y=-1/2x+4
C. y=2x+4
D. y=-1/2x+4

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )