Can some one help me with this question its hard :( down below ill give brainliest

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

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? )