you cant really show that on this thing so.... and im not getting enough points for that so ..........
Answer:
(x+y)
Step-by-step explanation:

Thus, the HCF is (x+y).
Answer:
$13.10 represents the rate of change
Step-by-step explanation:
13.1 is the only value in the equation with a variable (g). There is an additional $13.10 charge for every gigabyte used over the limit, and this is the rate of change.
For example, if 5 gigabytes were used over the limit, the charge would be 13.1(5) or $65.50
Answer:
24
Step-by-step explanation:
x+120+36=180
x+156=180
x=180-156
x=24