y + 2007 = 5/29x
5/29 is the slope and 2007 is the y-intercept
Answer:
Infinitely many solutions.
Step-by-step explanation:
12(x+3)=4(2x+9)+4x
12x+36=8x+36+4x
12x+36=12x+36
infinitely many solutions
Look at the picture.

The perimeter of the triangle:
Perpendicular, means that is has to be y=something
look at y value
(3,5)
(x,y)
yvalue is 5
y=5 is answer
8.47/7=1.21 per lb. 11.07/9=1.23 so $8.47 for 7lbs. is cheaper than 11.07 for 9lbs.