Question

The life expectancy in the United States increased more than 30% from 1930 to 2015. Which factor could have contributed to this increase?
A, better medical facilities and treatments
B. decreased farmland
C. increased food insecurity
D. increase in deaths from epidemics
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Answer 1

Answer:

The parameters of the rectangular field are,

Length \large\leadsto\boxed{\tt\purple{16 \: m}}⇝

16m

Breadth \large\leadsto\boxed{\tt\purple{12 \: m}}⇝

12m

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• Given:-

Length of rectangular field is 8 meter less than twice breadth.

Perimeter of rectangular field is 56 metres.

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• To Find:-

Length and breadth of the rectangular field.

Answer 2

Answer:

(A) better medical facilities and treatments

Step-by-step explanation:

It is because life expectancy is related to health and health care is an important factor which is maintained by medical facilities and related treatments .

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