ANSWER
A. 73
EXPLANATION
The given expression is

We substitute x=5 and y=3 to obtain:

This simplifies to,


The correct choice is A.
Not sure what you mean by solve for r^2
but
a/4=r^2
if u wanna go further
r=(a/4)^1/2
Perimeter is 34.5 area is 62
so first lets make the denominators the same so that we can divide
1/3 = 2/6
5/6
if you divide johny can make 2 cups of serving and R 1/5
Answer:
x = 13
y = 9
Step-by-step explanation: