Answer:
8 = r
Step-by-step explanation:
69 = 9r -3
Add 3 to each side
69+3 = 9r -3+3
72 = 9r
Divide each side by 9
72 / 9 = 9r/9
8 = r
Answer:
the box is 6
Step-by-step explanation:
The slope would be undefined, because it would be going straight vertical.
I believe that 30.5 as a fraction is 30 and 1 half but don't take my word