A and C are complementary
B is supplementary
14/2 is equivalent to 7/1
You should put 4 as x, -3 as y and a as slope to make an equation :

then you can find the slope and the correct equation of the line :
the slope is :

so the equation of the line will be

D is true
hope this helps
Answer:
I think it's 4 and why do I have to write 20 letters?
Answer is (24,-24)
Explanation:
Dilation centered at the origin multiplies each coordinate by the dilation factor.
image= 4(6,-6)
image= (24,-24)