Estimate the answer by rounding each fraction to the nearest whole number and then adding. A.20 B. 20 1/2 C. 21 D. 19

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? )