I really need help on my Aleks homework, can someone please help me?

What is the difference between the number of adult dogs at the park on monday and tuesday

What is the range? can’t seem to find it out

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? )