1+4 = 5 2+5=12 3+6=21 8+11=?

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

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? )

15 points what is the end behavior of this graph? & what is the asymptote of this graph?