Answer:
There is no solution to the system in its original form. There are no points in common. If the signs are reversed, the solution has an intersection with an infinite number of solutions.
Step-by-step explanation:
Its right on edg
Answer:
Scalene triangle
Step-by-step explanation:
a scalene triangle has 3 uneven sides
Answer:
18
Step-by-step explanation:
81π=πr^2
r= 9,-9
9+9=18