Can someone calculate this step by step so i can understand it? you very much.

Plz me i need i will give a brain

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? )

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b