The answer is (1,-9) hope this helps
Answer:
B=9
Step-by-step explanation:
b+4=2b-5
b-2b+4=-5
b-2b=-5-4
-b=-5-4
-b=-9
b=9
Vertical angles, because the definition of vertical lines is each of the pairs of opposite angles made by two intersecting lines.
X^2= (x-2[root of x])(x+2[root of x])
