Five billion three hundred and ninety two million twenty nine thousand four
Answer:
no it is not a proportional relationship
The reflection over the y-axis has a rule:

From the diagram you can see that point W has coordinates (-7,2). Then using the rule given above, you can find the coordinates of point W':

Answer: (7,2).
Step-by-step explanation:
area of a triangle is (bh)/2
b=base
h=height
2.1=(2h)/2
2.1=height
Hope that helps :)