Answer: X is 15. N is 100
Answer:
x = 8 since 3 × 8 = 24
x2 + 7x + x2 + 7x + 9 = 3
Step-by-step explanation:
Polygons (shapes made of straight lines) where no angle is greater than 180 degrees. If even one angle is greater than 180 then it is a concave polygon.
