we know that
Area of the circle is equal to

where
r is the radius
in this problem



therefore
the answer is the option
d. 113.04 sq. in.
This is only one equation. It is therefore not a system and you can not solve for two different variables y and z unless you have another equation to solve with. It.
An argument is a variable, value or object passed to a function or method as input. Positional arguments are arguments that need to be included in the proper position or order