Please please help. 15 points

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

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? )

(60 points) explain this in detail