Answer:
2nd quadrant and 3rd quadrant
Step-by-step explanation:
(s + 1)(s - 1) = s^2 - 1
= 19-1 = 18
Answer:
50 units
Step-by-step explanation:
this is a walk around problem
the sides of the triangles are 19, 13, and 18
perimeter = 19 + 13 + 18
p = 50 units