The answer to this question is x=8; y= -7
Answer:
5 cm
Step-by-step explanation:
Given a semicircle with perimeter 25.71 cm, we are required to find the radius of the circle.
Circumference of a Semicircle
=Length of the Circular part+Length of the diameter


If you mean its factors, it's a prime number, so the only integers that it factors into are -1, 1, -181, and itself.