What is m∠dfe?

a. 78

b. 42

c. 19

d. 119

Evaluate the following expression 1/3^2

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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? )