Answer: The formula is m=(y2-y1)/(x2-x1)
Step-by-step explanation: So false
The money would be multiplied by a factor of 16 after 28 years
<h3>How to determine the factor?</h3>
The rate is given as:
Rate = Double every 7 years
There are 4 7 years in 28 years.
So, the factor would be:
Factor = Rate^4
This gives
Factor = 2^4
Evaluate
Factor = 16
Hence, the money would be multiplied by a factor of 16 after 28 years
Read more about exponential factors at
brainly.com/question/11464095
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Answer:
point a is positive but point b is negative
Answer:
18
Step-by-step explanation:
30*0.4=12
This means 40% of 30 is 12 and Ana has completed 12 problems.
30-12 = 18, so she still needs to do 18 problems.