By substitution.
Get y or x alone then insert it into the other equation solving for one of the two variables. After that substitute ur answer into one of the equations then solve.
Circumference is given by

Area is given by

figure out the radius of the circle, then use it to find area
I think the answer is 14 hope this helps
Length=5 (each side)
width=5 (each side)
Answer:
40 correct and 80 incorrect
Step-by-step explanation:
40*4=160
80*2=160