Answer:
I've done this question: Its batch 5
Step-by-step explanation:
It has to be all equal proportions
It has a width of 35 feet.
*You just subtract the perimeter by the length/width and in this situation you subtract the length*
Answer:

Variable is a symbol that represents a quantity in a mathematical expression, as used in many sciences. Variable (research), a logical set of attributes. Variable star, a type of astronomical star.

A constant, sometimes also called a "mathematical constant," is any well-defined real number which is significantly interesting in some way. A function, equation, etc., is said to "be constant" (or be a constant function) if it always assumes the same value independent of how its parameters are varied.
Step-by-step explanation:
Explanation is in the attachment
hope it is helpful to you