Can someone please check these answers? I can't fail math

Question

anonymous · Answer

1: Solve the equation for y.

4x – 5y = 9

A: y = -4x - 9
B: y = - 5/4x - 5/9
C:  y=5/4x + 9/4
D: y = 4/5x  - 9/5 <<<

anonymous · Answer

2: Which ordered pair in the form (a, b) is a solution of this equation?

4a – 5b = 24
 
 
 A.
(–5, –2)
 
 B.
(6, 0)  <<
 
 C.
(0, 6)
 
 D.
(–2, –5)

anonymous · Answer

3: Which points have opposite x- and y-coordinates [for example, (2, –2) or (–3, 3)]? (Hint: Some answers may have some, but not all points that name opposites.  Choose the answer that contains only points that have opposite x- and y-coordinates for each point named.)
 
 A.
D, Z
 
 B.
D, L
 
 C.
Z, L
 
 D.
C, D, Z

anonymous · Answer

i choose B for 3