Common core is so confusing, I feel like I really don't know anything once I open up my math book.. :)
For this case we have the following data:
Area of the rectangle, 
Relationship of the sides 5: 3
By definition, the area of a rectangle is given by:

Where
- b: it is the side of least length.
If the sides have a 5: 3 ratio, it means:


Substituting in the formula of the area, we have:


Clearing b:



units
Substituting and clearing:


units
So, the sides are:
units
units
Answer:
units
units
Answer:
-0.01
Step-by-step explanation:
Answer:
60y+48
Step-by-step explanation: