Answer:
384
Step-by-step explanation:
Cross multiply and you get 384.
For any point reflected in the y- axis
(x, y ) → (- x, y )
A(1, 1) → A'(- 1, 1)
B(5, 1 ) → B'(- 5, 1 )
C(3, 3 ) → C'(- 3, 3 )
{(163²)²} × (0.045701-12/2×3.357470126)
4330747×-20.0991198
8.70
8.5
8.5 is the coefficient in front of x
