Almost a billion people on the planet don't have access to clean drinking water." if there were 7.2×109 people in the world in 2014, then approximately what percent of them lived without clean drinking water? round to the nearest tenth of a percent.

13.9%

Step-by-step explanation:

Given : Almost a billion people on the planet don't have access to clean drinking water."

We know that 1 billion =

There were people in the world in 2014.

Now, the percent of people lived without clean drinking water :-

Hence, approximately 13.9% of them lived without clean drinking water.

it's d.

step-by-step explanation:

because: -1(4x + 1y) +2 (1x-3y) distribute each number into the parenthesis.

then you would get: -4x - 1y + 2x -6y combine like terms

and get: 2x -7y

hope my answer has you if not then i'm sorry.