okay so I'm not very good in math but my sister need help with her math can anyone help her the problem is below!​

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? )

Percent increase and decrease. original number: 45 new number: 18

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?