It would be: 3 8/20 = 68/20 = 34/10 = 17/5
In short, Your Answer would be 17/5
Hope this helps!
Well your slope is -1/4 and your y-intercept is 9
The x-intercept is a point whose y-coordinate is 0, so (x,0).
Substitute 0 for y in the equation:

The x-intercept is

.
Answer:
81 cubic feet of wood
Step-by-step explanation:
Divide it into 5 sections, each 3 feet long because it is 15 feet long.
(1*3*3) + (2*3*3) + (3*3*3) + (2*3*3) + (1*3*3) =
9 + 18 + 27 + 18 + 9 = 81