Answer:
-2
Step-by-step explanation:

the line is going down meaning its a negative and to find the slope do rise over run
.05n + $28 = $50.50
(.05n = $22.50)100
5n = 2250
n= 450 calls
Answer:
This is your answer ☺️☺️☺️
The answer is
A "For every half an hour there is 1/5 of the bucket is filled" Hope I helped
B: Not sure not very good at equations :(
C: Well there is Half an hour so if you multiply that by 5 then its. 2 1/2 hours :)
Hope I helped