Could you help me with ab 5 of these

41/2 - 1 1/3 what is the answer as a fraction?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

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? )