Answer:
the slope is 
Step-by-step explanation:
Notice that you are given two points to use for the slope calculation:

So we use the formula for the slope of a line given two points:

Are you sure you've written the problem right...it says x can not equal 0 or 1
Answer:
y = -2000x+30000
Step-by-step explanation:
Hi. So, you are just setting up a linear equation using slope intercept data. The slope being -2000 (because it is descending) and the intercept being 30,000 at t=0.
y = -2000x+30000
2-----110, 40, 120
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5----- 55, 20, 60
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11, 4, 12
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HCF or GCF=2 X 5 =10 Ans.