How are the percentages of deaths in middle-income and high-income countries similar? a. the largest percentages of deaths come from lung cancer, stroke, and heart disease. b. the largest percentages of deaths come from hiv/ aids-related illnesses. c. the largest percentages of deaths result from premature births. d. the largest percentages of deaths result from tuberculosis, lower respiratory infection, and malaria.

a is correct

Explanation:

In countries with middle - income and high - income the main reason of deaths are due to the health problems related to smoke, like lung cancer, because people has the money to buy cigars. Also they are more likely to suffer from strokes of heart diseases due to diet high in cholesterol as the fast food, or by the stress due to the  office like jobs.

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the correct answer is amazon river

(4,-2)

explanation:

6x+4y=16

-6x-9y=-6

-5y=10

y=-2

x=4