Connect with experts and get insightful answers to your questions on IDNLearn.com. Discover prompt and accurate answers from our community of experienced professionals.
Step-by-step explanation:
Area of rectangle =L×W
Width =Area
[tex]w idth= \frac{area \ }{length} \\ \\width = \frac{ {y}^{2} + 4y - 45}{y + 9} \\ \\ = \frac{(y - 5)(y + 9)}{(y + 9)} \\ \\ width = y - 5[/tex]