A referential constraint enforces a one-to-one relationship between the values in referencing columns (of the foreign key) and the referenced columns (of the primary key or unique constraint). ... The same data values can appear in the constrained columns of both tables.
Answer:
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Explanation:
Divide the area by the width (or the number that the problem gave you). So 635.4/18. This will give you the length because of the formula
length x width = area (formula for the area of a rectangle). So in this case the answer should be 35.3
If you want to check your work just multiply the width by the length. 35.3x18= 635.4
That no man born of a woman can do him harm
