Answer:
A y=mx+b y=3x+50
because $3 is the rate and $50 is what you get started off with
Answer:
7
Step-by-step explanation:
Answer: 
Step-by-step explanation:
We know that the general form of the exponential decay formula is
, where y is final amount remaining after t time, A is the original amount and r is the rate of decay
Now, the ratio of strontium-90 remaining, p , as a function of years, t , since the nuclear accident. 
Hence, the ratio of remaining since the nuclear accident is 
Answer:

Step-by-step explanation:





125 is equivalent to
<em>1.25</em>
<em>1 1/4 </em>
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Pick either one... 1.25 is more likely to be correct
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