Answer:
Problem 8 is No and Problem 9 is Yes
Answer:


Step-by-step explanation:
we have

Adds 18 both sides

Complete the square


Divide by 9 both sides

Rewrite as perfect squares

Based on the image I see 2 pairs of alternate exterior angles
the 1st pair of angles are (<A & <H)
the 2nd pair of angles are (<B & <G)
hope this helps
Answer:
Some relationships:
Angle FGH + Angle FHG = 90
sin(FGH) = cos(FHG)
cos(FGH) = sin(FHG)