Intersecting chords theorem:

i.e. when two chords intersect, the products of the resulting line segments' lengths are equal. Then

Answer:
(x+1 )- (x-2) ≠ -1
Step-by-step explanation:
X=10 and b = 10 2 x 10=20 20-10= 10 don’t know if this is to late or if it’s right
Answer:
42
Step-by-step explanation:
(5+3) x 8 -22
8 x 8 -22
64 - 22
42