The correct answer for this question is that there are 72 2-inch segment in 12ft. Hopefully that answered your question for you!
For the first image can you give us the choices for each one?
1000 times cause its the value of the number
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: x = 39/10 y = 29/5