Perform the indicated operations: 2 X
x+ 20
X-2*x+92 + 7x-18
x? - X+2
2? + 7x-18
O
x+1
X+9
22
x2 + 7x-18
O
x2+x+38
x? + 7x-18

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? )