Answer:
The slope of the line is -5
<span>The doubling time is the period of time
required for a quantity to double in size or value. It is applied to
population growth, inflation, resource extraction, consumption of goods,
compound interest, the volume of malignant tumours, and many other
things that tend to grow over time.</span>
GEF
The middle point aka the E has to be in the middle and then the first and last points don’t matter