Answer:
r(n)=3n-1
Step-by-step explanation:
Answer:
a) 
Step-by-step explanation:
x + 2 = 3x + 6
-3x - 3x
___________
−2x + 2 = 6
- 2 - 2
_________
4 = −2x
_ ___
−2 −2
[Plug this back into both equations above to get the y-coordinate of 0]; 
I am joyous to assist you anytime.
43.21-38.99=4.22
the difference is 4.22 ounces in weight.
The answer is you add 0.05 every time