**Answer:**

Option D

∠GDE is supplementary to ∠DEF and also supplementary to ∠FGD

**Step-by-step explanation:**

To use the supplementary property to identify a parallelogram. The condition must be that that the same-side interior angles (consecutive angles) are supplementary.

Thus for parallelogram DEFG

D --------------------E

/ /

G---------------------F

Thus, we have it that the condition that is most sufficient to show that quadrilateral DEFG is a parallelogram is

∠GDE is supplementary to both ∠DEF and ∠FGD

160 divided by 9 = the amount of trucks needed. (17.7 therefore you would need to rent 18 trucks)

2,4,6,8,12 are the multiples I think

0.3b=0.9

To find b, divide both sides by 0.3

b = 0.9 / 0.3

**b = 3**